Emerging from a highly anticipated classified briefing on Thursday, Democratic and Republican senators were not in agreement over exactly how much US strikes on Iran set back that country’s nuclear program. Many Republicans said that they believe it will now take Iran years longer to build a nuclear weapon, though some acknowledged the threat is not completely neutralized. But Democrats said the picture is far less clear – and one said the US strikes set Iran back only by months. Learn more about your ad choices. Visit podcastchoices.com/adchoices