Secretary of Defense Pete Hegseth testifies during a Senate Armed Services Committee hearing on April 30. Photo: Graeme Sloan/Getty Images Senate Republicans are calling on the Trump administration to clarify how it is interpreting the 60-day clock under the War Powers Act in its military campaign against Iran. Why it matters: The 60-day deadline, depending on who's counting, is arriving on requiring the president to seek authorization or wind down operations. The first strikes against Iran were on Feb. 28. But Defense Secretary Pete Hegseth offered a different view during testimony before the Senate Armed Services Committee, suggesting the clock can "pause or stop" during a ceasefire. Zoom in: Republicans, including some who have flirted with supporting a war powers resolution , appeared open to Hegseth's interpretation. "It sounds like there's some wiggle room he provided there for himself," Sen. Todd Young (R-Ind.) told reporters.…