An intercontinental ballistic missile that North Korea said could reach the "whole" mainland of the United States likely broke up upon re-entry into the earth's atmosphere, a U.S. official said Saturday.
President Trump says he's getting ready to turn up the heat on North Korea again. But after a heavy clampdown on Kim Jong Un's regime this year, what options are left?
North Korea broke a two-month lull in weapons testing with a dramatic launch of its most advanced missile yet, an intercontinental ballistic missile it claims can reach the "whole" US mainland.
