AdvertisementNew Hampshire Republican Debate: 3 Things To Watch Saturday NightFebruary 06, 2016Mara LiassonfacebookEmailRepublican presidential candidates, from right, Ohio Gov. John Kasich, former Florida governor Jeb Bush and Sen. Marco Rubio, R-Fla., participate Jan. 28 in a GOP debate in Des Moines, Iowa. Rubio's strong third-place finish in Iowa has given him momentum and more backing from the same establishment Republicans that Bush and Kasich need for their campaigns to survive. (Getty Images)