By CNN Staff
A White House national security official was fired after sending sometimes insulting messages on Twitter under a fake name, a senior administration official said.
The story about National Security Council Director of Nonproliferation Jofi Joseph was first reported by the Daily Beast.
Joseph was fired for messages sent on the account @natsecwonk, the administration official confirmed to CNN's Jake Tapper.
That account had been deleted Tuesday evening.FULL STORY