WASHINGTON, D.C. — U.S. Senator Peter Welch (D-Vt.) joined U.S. Senators Chris Van Hollen (D-Md.), Tim Kaine (D-Va.), Brian Schatz (D-Hawaii), Elizabeth Warren (D-Mass.), Senate Democratic Leader Chuck Schumer (D-N.Y.), and 40 Senate colleagues in demanding that the Department of Defense (DOD) provide answers to the American people on the airstrikes on a school in Minab, Iran, and civilian casualties in the Trump Administration’s…