Presidential Candidates Countdown to the Iowa Caucus

Hillary Clinton and Bernie Sanders are sharpening their attacks just days away from the first of this years primary contests.
Presidential candidates of both parties are barnstorming Iowa with only three weeks left until the states caucuses.
With the holidays winding down, the GOP Presidential candidates are focusing on the first major test in the 2012 race, the Iowa Caucuses. (Dec. 27)
Presidential aspirants invade the quintessential icon of rural America: The Iowa State Fair. Candidates begin to drop off the campaign trail. Caucus Countdown .