(Reuters) - The National Football League will host its first-ever NFL Women's Summit next week in San Francisco ahead of the Super Bowl to discuss the role sports have played in the lives of past and present female leaders. Confirmed participants include NFL Commissioner Roger Goodell, women's world number one tennis player Serena Williams, Sweden's former world number one golfer Annika Sorenstam and former U.S. Secretary of State Condoleezza Rice. More...