Sen. Rand Paul (R-KY) grilled Trump administration officials in charge of immigration enforcement during a Senate hearing on Thursday. Paul confronted them with a breakdown of the video of Minneapolis protester Alex Pretti’s fatal shooting, asking them if their officers acted professionally in killing a man he claimed did not show any aggression. “Today, we explore the rules of engagement, the rules for the proper use of force, and the rules for the use of force that are proportional to the threat,” Paul said. “My goal with this hearing is not to condemn or to argue to defund ICE; my...