Obama campaign says Romney lying about involvement with Bain after he left . Obama campaign chief says Obama should apologize for `` out of control '' campaign . three sources -- Four of them Democrat -- support Romney side of dispute . Obama campaign wants to tie story to other attacks on Romney 's character .
Obama campaign says Romney lying about involvement with Bain after he left . Romney campaign chief says Obama should apologize for `` out of control '' campaign . Four sources -- three of them Democrats -- support Romney side of dispute . Obama campaign wants to tie story to other attacks on Romney 's character .