Minnesota Gov. Tim Walz ramped up his divisive attacks on the Trump administration even after the president deployed “border czar” Tom Homan to de-escalate the unrest following the shooting of Alex Pretti. “They started this fire and we are not going to give them credit for putting it out,” Walz told CNN’s Anderson Cooper in his first TV interview since the 37-year-old nurse was shot dead during a scuffle with Border Patrol agents on Saturday. The embattled governor said he had met with Homan and there was a “tone shift” and “progress,” however, he then needled the border czar, implying...