Steve Bannon, Trump’s former chief strategist, was once charged with domestic violence, battery and dissuading a witness. (The case was dropped when his former wife failed to appear in court.) After Bill Shine, a former co-president of Fox News, was forced from his job for his involvement in Fox’s sprawling sexual harassment scandals, Trump hired him.

The White House staff secretary Rob Porter resigned last year after it was revealed that both of his ex-wives had accused him of abuse. The White House speechwriter David Sorensen resigned after his ex-wife came forward with stories of his violence toward her.

Elliott Broidy, a major Trump fund-raiser who became the Republican National Committee deputy finance chairman, resigned last year amid news that he’d paid $1.6 million as hush money to a former playboy model, Shera Bechard, who said she’d had an abortion after he got her pregnant. (In a lawsuit, Bechard said Broidy had been violent.) The casino mogul Steve Wynn, whom Trump installed as the R.N.C.’s finance chairman, resigned amid accusations that he’d pressured his employees for sex. He remains a major Republican donor.

In 2017, Trump tapped the former chief executive of AccuWeather, Barry Myers, to head the National Oceanic and Atmospheric Administration. Then The Washington Post discovered a report from a Department of Labor investigation into Myers’s company, which found a culture of “widespread sexual harassment” that was “severe and pervasive.” The Senate hasn’t yet voted on Myers’s nomination, but the administration hasn’t withdrawn it.

And just this week, a senior military officer came forward to accuse Gen. John Hyten, Trump’s nominee to be the next vice chairman of the Joint Chiefs of Staff, of derailing her career when she turned down his sexual advances. “My life was ruined by this,” she told The Associated Press. (The Air Force reportedly cleared him of misconduct.)

Trump will sometimes jettison men accused of abuse when they become a public relations liability. But his first instinct is empathy, a sentiment he seems otherwise unfamiliar with. In May, he urged Roy Moore, the theocratic Alabama Senate candidate accused of preying on teenage girls, not to run again because he would lose, but added, “I have NOTHING against Roy Moore, and unlike many other Republican leaders, wanted him to win.” The president has expressed no sympathy for victims in the Epstein case, but has said he felt bad for Acosta.

Trump seems to understand, at least on a limbic level, that the effect of this cavalcade of scandal isn’t cumulative. Instead, each one eclipses the last, creating a sense of weary cynicism that makes shock impossible to sustain.