Former Nebraska Sen. Chuck Hagel, a Republican who has broken ranks in the past with the GOP, gave Democrat Joe Sestak his second major endorsement from moderates in a week in his bid for a hotly contested Senate seat in Pennsylvania. Hagel told The Associated Press on Monday that Sestak has demonstrated during his two terms in Congress that he puts the interests of the nation and his constituents ahead of his party. "I think he's exactly what our country needs more of. I think he's what the Senate needs more of _ courageous, independent thinking," Hagel said. "That's what...