WASHINGTON — President Donald Trump has revoked the security clearance of former CIA director John Brennan, White House press secretary Sarah Huckabee Sanders announced Wednesday, citing “the risk posed by his erratic conduct and behavior.” Brennan has been a leading critic of Trump. Trump is also reviewing security clearances of other former officials, including former FBI director James Comey, Sanders said during a regular White House news briefing. “First, at this point in my administration, any benefits that senior officials might glean from consultations with Mr.