The former Massachusetts governor and potential veep candidate goes on the attack, leading the GOP's Tuesday counterprogramming effort in Denver.
Speaking to reporters at a Christian Science Monitor lunch, he reignites the "houses" controversy, alludes to former Obama confidante Rezko, saying he got a "special deal from a convicted felon."
Also drops the name of the former Weather Underground member Bill Ayers.
Plus: Also challenges Biden, saying the clips the GOP has on the Delaware Senator are worse than what the Dems could come up with on him.
