U.S. President Donald Trump acknowledges supporters during a Make America Great Again rally at the Civic Center in Charleston, West Virginia, U.S., August 21, 2018. Reuters/Leah Millis

On Wednesday morning, the lead story on FoxNews.com was not Michael Cohen’s admission that Donald Trump had instructed him to violate campaign-finance laws by paying hush money to two of Trump’s mistresses. It was the alleged murder of a white Iowa woman, Mollie Tibbetts, by an undocumented Latino immigrant, Cristhian Rivera.

On their face, the two stories have little in common. Fox is simply covering the Iowa murder because it distracts attention from a revelation that makes Trump look bad. But dig deeper and the two stories are connected: They represent competing notions of what corruption is.

Cohen’s admission highlights one of the enduring riddles of the Trump era. Trump’s supporters say they care about corruption. During the campaign, they cheered his vow to “drain the swamp” in Washington, D.C. When Morning Consult askedAmericans in May 2016 to explain why they disliked Hillary Clinton, the second-most-common answer was that […]