Former President Donald Trump’s strained attempt to pull the U.S. Supreme Court into his fight over classified documents has highlighted, once again, something even more outrageous: Justice Clarence Thomas’ continuing refusal to recuse himself from cases involving Trump despite the justice’s marriage to one of Trump’s most vocal, prominent and extremist followers. At issue is the bizarre tug-of-war between Trump and the Justice Department over classified U.S. government documents that Trump took to his Florida home and refused to give back until a court-ordered search seized them. Trump has of...