Throughout this seemingly endless election season, analysts have thrown out a variety of historical analogies to help explain the current race. Some have suggested that this election is like 1948's (the one postwar example we have of a president winning re-election amid a sluggish economy), while others have looked to 1980, where a strong conservative defied the oddsmakers' bets and defeated an incumbent the country perceived as hyper-liberal. One year that has received scant attention is 1968. Michael Barone recently suggested this parallel -- in the context of the Occupy Wall Street protests -- during a panel discussion we both...