Tillerson backtracks on offer of unconditional NKorea talks

Washington • America’s top diplomat stepped back Friday from his offer of unconditional talks with North Korea, telling world powers the nuclear-armed nation must earn the right to negotiate with the United States.Secretary of State Rex Tillerson’s declaration before the U.N. Security Council marked a stunning reversal after he proposed discussions with Pyongyang without preconditions earlier this week. That overture was almost immediately rebutted by White House officials.Still