Trump declares US leaving 'horrible' Iran nuclear accord

WASHINGTON — President Donald Trump withdrew the U.S. from the landmark nuclear accord with Iran Tuesday, declaring he was making the world safer in restoring harsh sanctions. But he also dealt a profound blow to allies, deepened his isolation on the world stage and revived doubts about American credibility in the most consequential foreign policy action of his presidency.The leaders of Germany, France and Britain, co-signers of the agreement, expressed regret and said they would try to sa