Remember When Trump Said He’d Be Happy to Share His Tax Returns?

On Tuesday, lawyers for President Trump appeared before the Supreme Court (hearing arguments again by telephone conference) to assert the claim that the nation’s chief executive is unaccountable to Congress or law enforcement authorities — that he is, in short, above the law.

The lawyers were trying to block three congressional committees and the Manhattan district attorney from getting access to years of Mr. Trump’s tax returns and other financial records, as well as those of his family members and companies. The House committees said they subpoenaed those records to...