Exclusive-Top Hegseth adviser Dan Caldwell put on leave in Pentagon leak probe

WASHINGTON (Reuters) -One of U.S. Defense Secretary Pete Hegseth's leading advisers, Dan Caldwell, was escorted from the Pentagon on Tuesday after being identified during an investigation into leaks at the Department of Defense, a U.S. official told Reuters. Caldwell was placed on administrative leave for "an unauthorized disclosure," the official said, speaking on condition of anonymity. A March 21 memo signed by Hegseth's chief of staff, Joe Kasper, requested an investigation into "recent unau