Few among us would fault someone for wanting to keep his or her most unfavorable traits or personality quirks hidden whenever possible. Certainly a presidential candidate is no exception. But when such a candidate deliberately cultivates a public image that is almost entirely at extreme odds with his actual nature and historical record — which show a pattern of brash recklessness, irresponsibility and placing ambition over country — we can only hope the truth is revealed in time for voters to take that into account as they cast their ballots. Rolling Stone has performed just such a public service…