U.S. Sen. Ted Cruz on Friday pushed back against claims that it was insensitive for him to hold a Second Amendment campaign event just days after a mass shooting under investigation as an act of terrorism. "I really don't view our job as being sensitive to Islamic terrorists," the Republican presidential candidates said at a gun range in Johnston, Iowa, where he rolled out his Second Amendment Coalition, a group of gun rights advocates backing his GOP presidential bid. "Liberal Democrats think it is insensitive to celebrate our constitutional rights in the wake of a terrorist attack," Cruz later told supporters. "It...