The latest battleground in the war over MAGA’s future is one of the conservative movement’s most illustrious think tanks: the Heritage Foundation. On Thursday, its president, Kevin Roberts, released a video to defend the honor of Tucker Carlson only a few days after the former Fox News host interviewed white Christian nationalist and proud antisemite Nick Fuentes. In his video post, Roberts began by saying, “Christians can critique the state of Israel without being antisemitic. And of course, antisemitism should be condemned.” He then went on to attack supporters of President Donald Trump who had been attacking Carlson. “We will...