Hillary Clinton's superdelegate lead over Barack Obama has become razor thin. Ted Kennedy doesn't see a spot for Clinton on Obama's ticket. Ted Kennedy, the aging liberal lion of the Democratic Party, took a nasty bite out of Hillary Clinton Friday, saying she shouldn't be vice president because the job requires "real leadership." "I don't think it's possible," Kennedy, a Barack Obama supporter, told Bloomberg Television when asked about an Obama-Clinton ticket. Kennedy added that he hoped Obama would choose a running mate who is "in tune with his appeal for the nobler aspirations of the American people. "And I...