The Statue of Liberty in New York, Oct. 29, 2019. (Damon Winter/The New York Times) By THE EDITORIAL BOARD For nearly a century, the Supreme Court has made it difficult for a president to defy the clear text of a law passed by Congress. The court prevented Franklin D. Roosevelt from firing a leader of the Federal Trade Commission in 1935. It stopped the Reagan administration from defying a pollution investigation in 1988. It helped block Barack Obama’s attempt to expand immigration…