Edited sentence: Gravel became one of the most entertaining debaters of the evening, by challenging front-tear candidates such as Barack, by asserting that they would like to invade more countries.Gravel maintained an isolationist stance in foreign policy, and criticized the Senate for not fillibustering legislation to get out of Iraq, like he had previously done to get out of Vietnam.Many of his political convictions are due to his desire to enforce the constitution, as it was written