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CNN's Gloria Borger speaks with Iowa's governor about why the state is important and what would happen if Ron Paul wins.
RELATED: Cafferty: What will happen to the Republican field if Ron Paul wins the Iowa caucuses?
Newt Gingrich's campaign takes a blow as he drops in the polls and loses a key endorsement in Iowa. Jim Acosta reports.
(CNN) – Republican Sen. John McCain of Arizona said Tuesday the battle on Capitol Hill between Democrats and Republicans over extending the payroll tax cut was causing damage to the GOP.
"It is harming the Republican Party," McCain said on CNN's "The Situation Room with Wolf Blitzer." "It is harming the view, if it's possible anymore, of the American people about Congress. And we've got to get this thing resolved."
RELATED STORY: CNNMoney: Payroll tax roulette
A notorious group of hackers may be trying to target the Iowa caucuses to tamper with voting. CNN's Brian Todd reports.
Jokes about "Dear Leader" survive his death. CNN's Jeanne Moos reports on tears and jeers for Kim Jong Il.