Trump says planned North Korea summit still on
President Trump said Thursday the June 12th Singapore summit with North Korean leader Kim Jong Un is set to proceed as planned, despite threats by the regime in Pyongyang for it to be canceled. The president also appeared to contradict his national security adviser John Bolton over the possible use of the so-called "Libya Model" of denuclearization talks. "Face The Nation" moderator and CBS News senior foreign affairs correspondent Margaret Brennan joins CBSN to break down the latest developments.