US strike on N. Korea could trigger ‘catastrophic retaliation’

As President Trump raises the real possibility of “major conflict” with North Korea over its nuclear and missile programs, the U.S. is putting on a show of force intended to convince the regime that it doesn’t stand a chance against the American military. There’s no doubt who would win, but the destruction would be horrendous for both sides, reports CBS News correspondent David Martin.
In an interview with Reuters two days before his 100th day in office, the president sai