GOP presidential candidate Newt Gingrich said the Iowa caucus race is too volatile to pick a winner.
Senh: Is it even fair that a campaign group supporting Mitt Romney can spend $3.5M in attack ads against Newt Gingrich, who don't have that kind of money to spend for a response ad? Romney is campaigning like he's already won the GOP nomination, attacking Barack Obama instead of his fellow GOP candidates.
