President Donald Trump abruptly revoked the security clearance of ex-CIA Director John Brennan on Wednesday, an unprecedented act of retribution against a vocally critical former top U.S. official.
By Jill Colvin, The Associated Press and Zeke Miller, The Associated Press
U.S. Cyber Command is shifting its digital approach to the Islamic State group, using what one general calls the “totality of the U.S. government’s capabilities.”