The war on Christmas came early this year.That is, according to President Trump, who devoted a large portion of his speech at a Celebrate Freedom event at the Kennedy Center on Saturday to railing against those who might try to shy away from overt references to Christianity in American discourse.“Our religious liberty is enshrined in the very first amendment in the Bill of Rights. The American founders invoked our Creator four times in the Declaration of Independence,” Trump said. “Benjamin Franklin reminded his colleague at the Constitutional Convention to begin by bowing their heads in prayer. I remind you that...