It's crunch time on the campaign trail, and candidates can't afford any mistakes or for any controversial friends to suddenly reappear.
Some speculate the re-emergence of Sen. Barack Obama's former pastor, the Rev. Jeremiah Wright, is turning off white voters. Democratic sources tell ABC News that Wright is unquestionably worrying superdelegates about Obama's electability.
On Monday at the National Press Club, Wright was defiant, embracing some of the most controversial items he has...Full Story