Sen. Lindsey Graham (R-SC) on Monday challenged Sen. Ted Cruz (R-TX) to take a stand against Donald Trump's proposal to ban Muslim immigrants from entering the United States. When asked if he would support such a ban on Monday, Cruz replied, "No, that is not my policy," but did not criticize Trump, according to the Texas Tribune. "I believe the focus should focus on radical Islamic terrorism, and we need to be directly focused on threats to the United States," he continued. "We need a commander in chief that perceives what the threat is and that targets all of our...