GOP hopefuls debate in Iowa sans Trump (23 images)

2016 Republican presidential candidates Kentucky Sen. Rand Paul , New Jersey Gov. Chris Christie, retired neurosurgeon Ben Carson, Texas Sen. Ted Cruz , Florida Sen. Marco Rubio, Former Florida Gov. Jeb Bush and Ohio Gov. John Kasich attend a GOP debate hosted by Fox News, January 28, 2016, in Des Moines, Iowa. Billionaire businessman Donald J. Trump boycotted the event.

2016 Republican presidential candidate Florida Sen. Marco Rubio (L) makes remarks as Texas Sen. Ted Cruz (C) and retired neurosurgeon Ben Carson listen during a GOP debate hosted by Fox News, January 28, 2016, in Des Moines, Iowa. Photo by Mike Theiler/UPI

License photo | Permalink

---

---

Fox TV moderator Megyn Kelly waits forthe 2016 Republican presidential candidates to take the stage at a GOP debate hosted by Fox News, January 28, 2016, in Des Moines, Iowa. Photo by Mike Theiler/UPI

License photo | Permalink

---

---

2016 Republican presidential candidates Florida Sen. Marco Rubio (L) and Texas Sen. Ted Cruz shake hands at the conclusion of a GOP debate hosted by Fox News, January 28, 2016, in Des Moines, Iowa. Photo by Mike Theiler/UPI

License photo | Permalink

---

---

2016 Republican presidential candidate former Arkansas Gov. Mike Huckabee (L) makes closing remarks as former Virginia Gov. Jim Gilmore listens during the undercard of a GOP debate hosted by Fox News, January 28, 2016, in Des Moines, Iowa. Photo by Mike Theiler/UPI

License photo | Permalink

---

---