WASHINGTON  US Sen. Tom Cotton on Thursday sent a letter to Secretary of Defense Pete Hegseth urging him to ban anyone who is not an American from accessing Department of Defense (DoD) systems. "The language in current DoD policy guidance allows non-U.S. citizens to access DoD systems, which I believe should be addressed immediately," wrote Cotton. "Foreign persons should never be allowed to access DoD systems, regardless of whether a U.S. citizen is supervising.” The agency, particularly the