U.S. President Donald Trump said Tuesday on Twitter that he sacked National Security Adviser John Bolton, known as a hardliner on North Korea and Iran, over disagreements on policy issues."I disagreed strongly with many of his suggestions, as did others in the Administration and therefore...I informed John Bolton last night that his services are no longer needed at the White House," the president said, adding that a successor will be named next week.Bolton, meanwhile, suggested that he decided to leave the administration himself. "I offered to resign last night and President Trump said, 'Le…READ FULL ARTICLE