With the disreputable Donald Trump challenging the disfavoured President Joe Biden, the 2024 US presidential race has become the embodiment of Oscar Wilde’s witticism about fox hunting: “the unspeakable in pursuit of the inedible”. Bleeding young and nonwhite voters, the president finally heeded Democrats urging him to “get out there,” as Nancy Pelosi put it, and throw some haymakers at Trump. Biden flew to Pennsylvania on Friday to visit Valley Forge and make a pugnacious speech invoking an earlier moment when we were fighting against despotism and clinging to a dream of a democracy. In a discontented winter during the...