Press Secretary Sarah Sanders to leave the White House; Senior GOP Source: Trump's foreign dirt comment is "Really, really bad... it would be impeachable"; Cummings wants Kellyanne Conway to testify after watchdog says she's violated Hatch Act; Pompeo blames Iran for attacks on tankers; CNN: U.S. Navy saw unexploded mine attached to one of the tankers hit by explosives in the Gulf of Oman; Oil prices jump after tanker explosions in Gulf of Oman; Saudi Official: Nobody wants war but it's up to the Iranians; Iran's behavior is not acceptable; State Department suggests Saudis not doing enough to bring Khashoggi killers to justice; House Judiciary Committee members reviewing Mueller documents; Democrats split over how to respond to "unprecedented" White House stonewalling, defying of subpoenas; GOP Sen. Blackburn: Bill to mandate reporting of foreign contacts a "Blatant political stunt"; Kim Jong Un letter to Trump was birthday greeting; Biographer: Dictator know what buttons to pushTo learn more about how CNN protects listener privacy, visit cnn.com/privacy