Broderick Saunters Through Icy <cite>Philanthropist</cite>, by Jeremy Gerard
The British prime minister and most of his cabinet have been assassinated by a right-wing nut job. Philip, the title character in Christopher Hampton's <cite>The Philanthropist</cite>, revived by the Roundabout Theatre Company on Broadway, is nonplussed. "But it's a Tory government," he points out to his cocktail-party guests. Philip delivers the line in an affectless monotone that's a parody of the disengaged academ…