A stunning new poll shows trouble brewing for Hillary Clinton in key swing states, with the Democratic presidential front-runner trailing potential Republican rivals in every match-up tested. The Quinnipiac University poll put Clinton head-to-head against Florida Sen. Marco Rubio, former Florida Gov. Jeb Bush and Wisconsin Gov. Scott Walker in three states: Colorado, Iowa and Virginia. Read more http://www.foxnews.com/politics/201...ling-republicans-in-every-swing-state-tested/