Clinton launches 2008 White House bid By BETH FOUHY and MARC HUMBERT, Associated Press Writers 6 minutes ago NEW YORK - Democratic Sen. Hillary Rodham Clinton embarked on a widely anticipated campaign for the White House on Saturday, a former first lady intent on becoming the first female president. "I'm in and I'm in to win," she said on her Web site. Clinton's announcement, days after Sen. Barack Obama (news, bio, voting record) shook up the contest race with his bid to become the first black president, establishes the most diverse political field ever. Clinton is considered the front-runner, with...