By R. Emmett Tyrrell, Jr., American Spectator - Robert F. Kennedy Jr. is, of course, the third child of Robert F. Kennedy Sr., who was assassinated in 1968 pursuing the same office that his son now covets. Psychiatrists, of course, would tell Sec. Mayorkas that the violent manner in which Robert F. Kennedy Sr. was gunned down is all the more reason why his son should not be denied Secret Service protection on the campaign trail — and do not tell me Secretary Mayorkas is unfamiliar with the psychiatrists’ arts. ...