Olympics Day -2 - Women's Football - Cameroon v Brazil

CARDIFF, WALES - JULY 25: Marta of Brazil in action with goalkeeper Annette Ngo Ndom of Cameroon during the First Round Women's Football Group E Match of the London 2012 Olympic Games between Cameroon and Brazil at Millennium Stadium on July 25, 2012 in Cardiff, Wales. (Photo by Michael Regan/Getty Images)

A woman poses near Olympic mascot Wenloc

A woman poses near Olympic mascot Wenlock on July 25, 2012 in London, two days before the opening ceremony of the London 2012 Olympic Games. AFP PHOTO / EMMANUEL DUNAND (Photo credit should read EMMANUEL DUNAND/AFP/GettyImages)

Olympics Canoe Slalom - Previews - Day - 2

LONDON, ENGLAND - JULY 25: Mateusz Polaczyk of Poland practices during a Kayak (K1) Men's practice session ahead of the 2012 London Olympic Games at the Lee Valley White Water Centre on July 25, 2012 in London, England. (Photo by Christian Petersen/Getty Images)

Athletes from Canada attend a flag raisi

Athletes from Canada attend a flag raising ceremony at the Olympic village in London on July 25, 2012, two days before the start of the London 2012 Olympic Games. AFP PHOTO / SAEED KHAN (Photo credit should read SAEED KHAN/AFP/GettyImages)

South AFrica's women football team (from

South AFrica's women football team (from top L-R) Kylie Louw, Andisiwe Mgcoyi, Roxanne Barker, Amanda Sister, Noko Matlou, Mpumi Nyandeni, Janine Van Wyk, Amanda Dlamini, Nothando Vilakazi, Portia Modise and Refiloe Jane pose for a team picture before the start of their London 2012 Olympic Games women's football match against Sweden at The City of Coventry Stadium in Coventry, central England, on July 25, 2012. AFP PHOTO/PAUL ELLIS (Photo credit should read PAUL ELLIS/AFP/GettyImages)

Previews Ahead Of London 2012 Olympic Games

LONDON, ENGLAND - JULY 22: The Olympic rings hang from Tower Bridge ahead of the London 2012 Olympic Games on July 22, 2012 in London, England. (Photo by Streeter Lecka/Getty Images)

The Olympic Torch Continues Its Journey Around London

LONDON, ENGLAND - JULY 23: Andy Murray of Great Britain holds the Olympic Torch aloft at the All England Lawn Tennis and Croquet Club in Wimbledon on July 23, 2012 in London, England. The Olympic flame, now on Day 66 of a 70-day relay is being carried through all boroughs of London ahead of the London 2012 Olympics opening ceremony on July 27, 2012. (Photo by Clive Brunskill/Getty Images)

The Olympic Torch Continues Its Journey Around London

LONDON, ENGLAND - JULY 23: Venus Williams of United States holds the Olympic Torch aloft at the All England Lawn Tennis and Croquet Club in Wimbledon on July 23, 2012 in London, England. The Olympic flame, now on Day 66 of a 70-day relay is being carried through all boroughs of London ahead of the London 2012 Olympics opening ceremony on July 27, 2012. (Photo by Clive Brunskill/Getty Images)

Adidas London Golf Challenge

LONDON - JULY 23: Dustin Johnson of the USA hits balls into the Thames River during the Adidas Paints the Town Red Adidas London Golf Challenge at the Tower Bridge on July 23, 2012 in London, England. (Photo by Mike Ehrmann/Getty Images)

Olympics - Previews - Day - 3

LONDON, ENGLAND - JULY 24: Michael Phelps of the United States looks on during a training session ahead of the London Olympic Games at the Aquatics Centre in Olympic Park on July 24, 2012 in London, England. (Photo by Clive Rose/Getty Images)

Olympics - Previews - Day - 3

LONDON, ENGLAND - JULY 24: The British Airways plane carrying the British Swimming team is welcomed by a water salute at London City Airport on July 24, 2012 in London, England. (Photo by Scott Heavey/Getty Images)

Three Month Old Cheetah Cubs Make Their Debut At Washington's Smithsonian Zoo

WASHINGTON, DC - JULY 24: Three-month old cheetah cubs make their public debut at the Smithsonian National Zoo on July 24, 2012 in Washington, DC. Two cubs have been hand raised after a risky cesarean section was performed in April that saved the cubs' and mother's lives, but left them in intensive care for days following the procedure. The zoo plans to name the cubs after the fastest American male and female athletes in the 100-meter dash of this summer's London Olympics. (Photo by T.J. Kirkpatrick/Getty Images)

Olympics - Previews - Day - 3

LONDON, ENGLAND - JULY 24: Kai Qin of China dives during a training session ahead of the London Olympic Games at the Aquatics Centre in Olympic Park on July 24, 2012 in London, England. (Photo by Clive Rose/Getty Images)

Olympics - Previews - Day - 3

LONDON, ENGLAND - JULY 24: The Olympic rings are seen at the top of Box Hill on July 24, 2012 in Surrey, England. (Photo by Bryn Lennon/Getty Images). Box Hill features prominently in the route of the Olympic cycling road races. The men will climb it nine times and the women twice. (Photo by Bryn Lennon/Getty Images)

Day 68 - The Olympic Torch Continues Its Journey Around The UK

LONDON, UNITED KINGDOM - JULY 25: In this handout image provided by LOCOG, Musician Labrinth carries the Olympic Flame on the Torch Relay leg between Harrow (London Borough) and Brent (London Borough) during Day 68 of the London 2012 Olympic Torch Relay on July 25, 2012 in London, England. The Olympic Flame is now on Day 68 of a 70-day relay involving 8,000 torchbearers covering 8,000 miles. (Photo by LOCOG via Getty Images)

Olympics Day -2 - Team GB Track and Field Preparation Camp in Portugal

MONTE GORDO, PORTUGAL - JULY 25: Sprinters Dwain Chambers (r) gives colleague Mark Lewis-Francis some advice during the Team GB Track and Field preperation camp at Monte Gordo Stadium on July 25, 2012 in Monte Gordo, Portugal. (Photo by Stu Forster/Getty Images)

Olympics - Previews - Day - 2

LONDON, ENGLAND - JULY 25: Tom Slingsby of Australia in action during training at the Weymouth & Portland Venue ahead of the London 2012 Olympic Games on July 25, 2012 in London, England. (Photo by Clive Mason/Getty Images)

Breakfast Bus Tour of London with Summer Sanders and Kellogg's Mascots

LONDON, ENGLAND - JULY 25: (L-R) Mini,Tony the Tiger and Snap, Crackle and Pop pose infront of Big Ben as part of Kellogg's From Great Starts Come Great Things campaign on July 25, 2012 in London, England. (Photo by Getty Images/Getty Images for Kellogg's)

Olympics - Previews - Day - 2

LONDON, ENGLAND - JULY 25: Children play in the water to keep cool in the hot conditions at Granary Square ahead of the London Olympic Games on July 25, 2012 in London, England. (Photo by Phil Walter/Getty Images)

Olympics Day -2 - Women's Football - Great Britain v New Zealand

CARDIFF, WALES - JULY 25: Stephanie Houghton of Great Britain is congratulated by team mates Kelly Smith of Great Britain, Eniola Aluko of Great Britain and Ifeoma Dieke of Great Britain after scoring a free kick during the Women's Football first round Group E Match of the London 2012 Olympic Games between Great Britain and New Zealand at Millennium Stadium on July 25, 2012 in Cardiff, Wales. (Photo by Julian Finney/Getty Images)

Olympics - Previews - Day - 2

LONDON, ENGLAND - JULY 25: A general view of the Beach Volleyball venue at Horse Guards Parade on July 25, 2012 in London, England. (Photo by Ryan Pierse/Getty Images)

Prince Of Wales And Duchess Of Cornwall Visit Community Projects In Tottenham

LONDON, ENGLAND - JULY 25: Olympic torch bearer Jay Kamiraz (L) hands over to torch bearer Scott Moorhouse (2nd R) as Prince Charles, Prince of Wales (L) and Camilla, Duchess of Cornwall (R) watch outside the MENCAP Community Centre, Tottenham on July 25, 2012 in London, England. (Photo by Paul Hackett/WPA Pool/Getty Images)

Prince Of Wales And Duchess Of Cornwall Visit Community Projects In Tottenham

LONDON, ENGLAND - JULY 25: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall watch as they are entertained by dancers at MENCAP Community Centre, Tottenham on July 25, 2012 in London, England. (Photo by Paul Hackett/WPA Pool/Getty Images)

Visitors arrive at the main stadium to w

Visitors arrive at the main stadium to watch the last rehearsal of the opening ceremony in London on July 25, 2012, two days before the start of the London 2012 Olympic Games. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/GettyImages)

Olympics - Previews - Day - 2

LONDON, ENGLAND - JULY 25: General view during a training session of team Germany in Velodrome at the Olympic Park on July 25, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

Olympics - Previews - Day - 2

LONDON, ENGLAND - JULY 25: Kristina Vogel (L) of Germany poses with her team mate Miriam Welte after a training session in Velodrome at the Olympic Park on July 25, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

Olympics Day -2 - Women's Football - Japan v Canada

COVENTRY, ENGLAND - JULY 25: The Japan team pose for a group photo during the Women's Football first round Group F Match of the London 2012 Olympic Games between Japan and Canada, at City of Coventry Stadium on July 25, 2012 in Coventry, England. (Photo by Sindy Thomas/Getty Images)

France's Laure Manaudou is pictured duri

France's Laure Manaudou is pictured during a training session, on July 25, 2012 at the Aquatics center in London, two days before the start of the 2012 London Olympic games. AFP PHOTO MARTIN BUREAU (Photo credit should read MARTIN BUREAU/AFP/GettyImages)