Janet Yellen's Solution to Iran's Economic Crisis

Treasury Secretary Janet Yellen admits that sanctions on Iran create a real economic crisis but have not changed the behavior of the government. UN experts just said last month that more Iranians with a blood disorder are dying due to Western sanctions. ISIS would benefit from the US fighting Iran from fighting these Shia militias, because they're all enemies of ISIS. So the US just has to get out. It's the only reasonable option here.