Defense Secretary Pete Hegseth shared sensitive military information last month in two Signal group chats. Now, a U.S. official tells NPR a search is underway to replace Hegseth.

The White House is searching for a new defense secretary to replace Pete Hegseth after a second Signal group chat controversy. And, Pope Francis' legacy is remembered worldwide.

NPR asks Sen. Jack Reed, top Democrat on the Armed Services Committee, why he wants an investigation into whether Defense Secretary Pete Hegseth shared classified intelligence in a Signal chat.