The United States and Iran reached a tentative 60-day ceasefire extension to initiate nuclear talks pending final authorization from Donald Trump.The proposed agreement requires Iran to remove naval mines from the Strait of Hormuz while the United States lifts its maritime blockade.Diplomatic progress occurs after United States forces intercepted drones and responded to Iranian missile strikes against a base and Kuwait.Republican lawmakers are expressing caution regarding the deal as both nations attempt to transition from active hostilities to formal dialogue.