Defense Secretary Pete Hegseth ignored military officials when he gutted a Pentagon oversight office designed to limit the risk of civilian deaths in war. Then, the U.S. killed thousands of Iranian civilians amid its war with Tehran. The results of the war were apparently beyond explanation during a Senate Armed Service Committee hearing Thursday, when Hegseth stumbled trying to rationalize his decision to nix the critical department during a heated exchange with Senator Kirsten Gillibrand. “