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