Live updates: Iran threatens strikes after US hit; Cornyn-Paxton faceoff tests Trump’s backing

Even as the U.S. and Iran inch toward a deal to end the nearly three-months long conflict, tensions are running high. On Monday, the U.S. launched strikes in southern Iran that it described as “defensive.” Iran’s foreign ministry said Tuesday that the strike was a violation of the ceasefire. “Iran holds the U.S. regime responsible…