Why Trump’s disclosure to Russia (and urging Comey to drop the Flynn investigation, and various other actions) could be unlawful. Did Donald Trump violate his oath of office? He may not have broken the law by releasing classified information to Russia, but he isn’t protecting and defending the Constitution, either. The US is terrible at investigating politicians — blame the Constitution. Josh Barro on why James Comey couldn’t just quit in February. Walter Dellinger on how Trump should appoint a Democrat to run the FBI — and if he won’t, the Senate should make him. Top Democrats unite to block new FBI director until there’s a special prosecutor. Former FBI director Robert Mueller named special counsel for Russia-Trump investigation.