Pentagon's Joe Kasper resigns amid leaks and conflict scrutiny.

Joe Kasper, Chief of Staff to Defense Secretary Pete Hegseth, has resigned, stepping into a part-time advisory role. This follows a series of departures and firings within the Pentagon amid leak investigations and internal conflicts. Hegseth faces scrutiny over alleged misuse of a messaging app to discuss sensitive military operations. Despite the controversies, the White House continues to support Hegseth.