Trump warns Russia: US has world's greatest nuclear submarine 'right off their shores'

President Donald Trump warned Russian President Vladimir Putin in response to recent missile tests, reminding him that the U.S. has a nuclear submarine stationed "right off their shores."Trump made the comments during a press gaggle aboard Air Force One Monday morning, telling reporters that the U.S. is "not playing games" with Putin."Russia said this week that they’ve tested a new missile that can go more than 8,000 miles. Is that saber-rattling for you? What is that?" a reporter asked."I know we have a nuclear submarine, the greatest in the world, right off their shores. So, I mean, it doesn