pressed on the controversial "access hollywood" tape where president-elect donald trump was heard bragging about grabbing women's genitals. >> is grabbing a woman by her genitals without consent sexual assault? >> clearly it would be. >> reporter: he made clear he would to the be a rubber stamp for trump. disavowing some of trump's campaign promises such as bringing back waterboarding. >> does waterboarding constitute torture? >> well, there was a dispute about that when we had the torture definition in our law. the department of justice memorandum concluded that it did not necessarily prohibit that, but congress has taken an action now that makes it absolutely improper and illegal to use waterboarding. >> reporter: and he said he opposes a complete ban on muslims entering the united states. >> would you support a law that says you can't come to america because you're a muslim? >> no. >> reporter: things got tense when democratic senator al