Newt Attacks Mitt on Abortion
Newt attacks Mitt on abortion.
Gingrich had begun his campaign with a promise not to use negative advertising campaigns to criticise his opponents but has dropped this promise in recent weeks.
Allies of gingirch recently ran an advert focusing on Romney's history with private equity firm Bain Capital.
The next state to vote will be South Carolina on January 21.
This just might have more impact in South Carolina than the Bain attacks.