Iowa Caucus Countdown [VIDEO]

`Occupy' protesters in Iowa are targeting Democrats and Republicans just days before the state's presidential caucuses.

Five protesters were arrested Thursday outside candidate Ron Paul's headquarters in Ankeny. Another 12 were taken

• NJ Decides: Presidential Election 2012

GOP Focusing On Iowa

Most of the Republican presidential candidates are in Iowa, trying to win over undecided voters ahead of Tuesday's caucuses.

Rick Santorum stopped in Coralville Thursday, urging voters to put conservative principles above everything else. A Rick Perry TV ad criticizes Santorum and three other rivals, saying "The fox guarding the henhouse is like asking a congressman to fix Washington: bad idea."

(Copyright 2011 by The Associated Press. All Rights Reserved.)