He'd probably say, "Bobby, would you take Mr. Trumps appointment to head the CIA so you can expose and punish those Kocksukers that killed me and your Dad?"
"LET US NOT DESPAIR BUT ACT. LET US NOT SEEK THE REPUBLICAN ANSWER OR THE DEMOCRATIC ANSWER BUT THE RIGHT ANSWER. LET US NOT SEEK TO FIX THE BLAME FOR THE PAST - LET US ACCEPT OUR OWN RESPONSIBILITY FOR THE FUTURE." JFK