Hegseth, Caine testify on Iran supplemental amid escalation: What to know

Defense Secretary Pete Hegseth and Chairman of the Joint Chiefs of Staff Gen. Dan Caine are set to testify in front of the Senate Tuesday on the White House’s supplemental funding request, days after an escalation in the U.S.-Iran war left three service members dead. Hegseth and Caine along with Agriculture Secretary Brooke Rolling will…