Bombing Iran’s nuclear sites complicates hunt for what’s left

President Donald Trump’s decision to order US forces to attack three key Iranian nuclear installations may have sabotaged the Islamic Republic’s known atomic capabilities, but it’s also created a monumental new challenge to work out what’s left and where. 

Trump said heavily fortified sites were “totally obliterated” late Saturday, but independent analysis has yet to verify that claim. Rather than yielding a quick win, the strikes have complicated the task of tracking uranium and ensuring Iran doesn’t build a weapon...