i have made my decision on who i will nominate for the united states supreme court. was it an attempt to distract from the conversation at hand? if so, it seems to have worked. >> he wanted to. >> reporter: the conversation turned to speculation about supreme court justice nominees. changing the narrative away from the controversy at hand is strategy mr. trump used during the campaign, too. >> i will gladly lend you my copy. >> reporter: after he got flak for going after the parents of captain khan following the speech at the convention. >> as you look at his wife, she was standing there, she had nothing to say, she probably, maybe she wasn't allowed to have anything to say. >> reporter: then candidate trump changed the narrative again by suddenly announcing he would not endorse paul ryan and john mccain in their primary