kennedy in dallas in november. and then a man who was in the room late this afternoon 50 years ago when the leaders of the march went to the white house to call on president kennedy the vice president lyndon johnson went to work in 1964 and 1965 and used all of his legislative skill as a texan who had helped gut the 1957 civil rights act, as someone who was distrusted by the white liberal establishment. he did everything he could to make the civil rights act happen and the voting rights act happen. politics, as ever, is a messy complicated business, highly provisional. it was dr. king who articulated the vision that so many other people who shed their blood both advertently and innocently who made this happen. still ahead on "morning joe," senator john mccain says