Are you talking about literally resuming underground nuclear detonation tests. >> You'll find out very soon, but we're going to do some testing. Yeah, other countries do it.If they're going to do it, we're going to do it. >> For the first time in nearly three decades, the United States may start testing nuclear weapons again. On Wednesday night, President Donald Trump said he's instructed the Pentagon to start testing our nuclear weapons on an equal basis with other countries that he claims are testing.Here ...