Who would have suspected that George W. Bush, a president who came into office vowing to "change the tone" of the meretricious Clinton era (a dark age when America howled under the twin lashes of peace and prosperity), would emerge as the country's leading exponent of situational ethics? Maybe true conservatives always understood. Ever since Ronald Reagan ended his second term with the Department of Education still intact, it's been clear how little even a committed ideologue can achieve in real politics. So it's hardly surprising that Bush, who ran the most content-free campaign since some nameless William Henry Harrison...