Rand Paul Marco Rubio Paul Ryan Rick / Christie Rand Paul Marco / Drew Ivers / Paul Ryan Rick Santorum Scott Walker / Tom Latham / Brad Zaun / Scott Walker / Hillary Clinton / Bruce Braley / Andrew Cuomo / Kevin McCarthy / Tom Latham Favorable / Barack Obama / Rand Paul / Brad Anderson / Paul Ryan / Chris Christie Rand Paul / Steve King / Chris Christie / Joe Biden Hillary Clinton Andrew / Latham Vander Plaats Zaun / Hillary Clinton Andrew Cuomo / Marco Rubio / Rick Santorum / Joe Biden / Bob Vander Plaats / Tom Harkin Favorable / /