Victor Davis Hanson uses his latest National Review Online column to pose key questions about the fall presidential campaign.

The Disaffected. Will stay-home so-called establishment Republicans outnumber renewed Reagan Democrats, Tea Partiers, and conservative independents, some of whom likely sat out 2008 and 2012, but who now are likely to vote for Trump? The latter energized group will probably continue to support Trump even if he persists in his suicidal detours like the legal gymnastics of Trump University, or if he keeps repeating ad nauseam the same stale generalities he has served up throughout his campaign.

And will the ranks of the #NeverTrump holdouts, despite claims to the contrary in the spring, thin by autumn, should Trump change a few of his odious spots and become a more disciplined candidate? Will his populist message be recalibrated to appeal to minorities who, albeit less publicly than their white counterparts, resent illegal immigration and its effects on the poor and working classes, are angry about record labor nonparticipation and elite boutique environmentalism, and appreciate tough, even if crazed, El Jefe talk in place of politically correct platitudes?

If Trump comes up with a detailed, even if clumsily delivered, conservative agenda, and if a now-die-hard-leftist Hillary Clinton continues to deprecate and caricature the entire conservative tradition, will he who seems a buffoon in June prove preferable in November to ensuring a 16-year Obama–Clinton regnum?

Anti-Hillary vs. Anti-Trump. Will Sanders holdouts roughly approximate the number of Republican #NeverTrumpers? For now, it would be more socially acceptable for a Sanders supporter to vote for Hillary than for an anti-Trumper to give in and vote for Trump. Voting for Hillary would not entail the social and class costs for a Sanders supporter that voting for Trump would for a Republican of the “not-in-my-name” Romney or Jeb Bush wing. The Wall Street Journal is more likely to show repugnance for the idea of finishing the wall than an advocate of Sanders’s 70 percent top tax rate is to reject Hillary’s less radical, though radical enough, idea of upping the current 39.5 percent top rate. An oddity of the campaign is that the Republican establishment applies a higher standard to its own candidate than it has applied to either Barack Obama or Hillary Clinton, who, with a modicum of research, can be proven to have matched Trump, slur for slur.