U.S. President Donald Trump abruptly cut short his summit with North Korean leader Kim Jong Un on Thursday without agreement, after failing to bridge the gap between his insistence on full-fledged denuclearization measures and Kim's demand for full sanctions relief."Basically they wanted the sanctions lifted in their entirety," Trump said at a news conference after the two-day talks in Vietnam's capital Hanoi by a few hours. "But we couldn't do that."Kim pledged to "totally" dismantle his country's main Yongbyon nuclear complex, according to Trump. But the lifting of the sanctions would als…READ FULL ARTICLE