The D.C. National Guard chief on Wednesday told lawmakers he would have “immediately” activated his forces to assist U.S. Capitol Police on Jan. 6 if his authority had not been restricted by the Pentagon. “I would have sent them there immediately as soon as I hung up,” Commanding Gen. William Walker told lawmakers on the Senate Rules Committee and Homeland Security and Governmental Affairs Committee at a hearing evaluating the security breakdown that occurred when a pro-Trump mob attacked the Capitol. “My next call would have been to my subordinate commanders, to get every single guardsman in this building and...