Hillary Clinton is doubling down on slamming Republicans on their anti-Muslim rhetoric at campaign events in both Iowa and New Hampshire. The attacks are mostly aimed at Donald Trump, the GOP frontrunner who has said he would impose a temporary ban on Muslims entering the country, but also target Sen. Ted Cruz (R-TX) who said Friday that the terror arrests made in his state underscore the need to block Syrian refugees from entering the U.S. Clinton's rhetoric in recent days has become more and more pointed, with the Democratic frontrunner claiming Republicans are "foolish" and "shortsighted" in their approach. "You...