"The holiday cease-fire between Rosie O'Donnell and Donald Trump ended with new bombs dropped by both, with Trump calling O'Donnell a "big, fat pig" and "bully" who was "cracking up" after O'Donnell posted writings on her blog implying Trump was a "pimp." . . . O'Donnell, who'd been quiet since her nasty spat began with Trump last week, called him "the comb over" on her blog Wednesday — and suggested he was acting like a "pimp" for Miss USA, Tara Conner . . . "The spat began last week on "The View" when O'Donnell accused Trump of being a "snake-oil salesman" for the way he handled the hard-partying Miss USA affair."