Serena says diet change to support Venus not hard

Serena, left, and her sister Venus Williams of the U.S. celebrate after their doubles match against Dominika Cibulkova of Slovakia and Anastasia Pavlyuchenkova of Russia at the All England Lawn Tennis Championships at Wimbledon, Saturday, June 26, 2010. (AP Photo/Sang Tan)

April 27, 2012 7:37:01 AM PDT
Serena Williams says altering her diet in support of big sister Venus hasn't been much of a hardship.