Presidential candidates Sens. Sen. Ted Cruz (R-TX) and Sen. Rand Paul (R-KY) are demanding a halt to immigration from Muslim nations with jihadist movements. Their fellow contender, Sen. Marco Rubio, did not call for curbs to Muslim immigration in his live response to the President address on Fox News – a response promoted by Rubio’s campaign. Cruz tweeted that if elected president, “I will shut down the broken immigration system that is letting jihadists into our country.†Cruz elaborated in a statement: The President should place an immediate moratorium on refugees from countries with a significant al Qaeda or ISIS...