EXPLAINED: Trump orders Pentagon to resume nuclear testing

So Trump made a major announcement about nuclear weapons testing that's making headlines. >> It had to do with others. They seem to all be nuclear testing.>> We have more nuclear weapons than anybody. We don't do testing and we've halted it years many years ago. But with others doing testing, I think it's appropriate that we do.Also, >> this essentially means that the US will begin nuclear testing for the first time in, get this, 30 years in an effort, he says, to quote, be on an equal basis with Russia and ...