bobby kennedy's children and grandchildren. this moment -- because, of course, bobby kennedy is also buried there alongside his brother at that grave site. and jacqueline kennedy onassas. >> extraordinary set of circumstances, and it's what they call the ultimate domino effect. the first assassination was that of john f. kennedy 50 years ago, and it was kind of the beginning of tragedy in america, the innocent america after world war ii. >> exactly. >> then became the assassination, of course, of bobby kennedy, assassination of martin luther king, then vietnam and watergate and 9/11 and all kinds of things since then. >> and, you know, robin mcneil in new york, as we watch this ceremony, as jim was just saying, all of us of a certain