The fired national security adviser engaged in intense coordination with Israeli Prime Minister Benjamin Netanyahu about military options against Iran ahead of an Oval Office meeting between the Israeli leader and Trump,

Two sources told The Washington Post that Trump had been frustrated with Waltz over foreign policy for months, and that Signalgate was the last straw. The post Trump Was Reportedly Pissed at Ousted Mike Waltz Even Before ‘SignalGate’ Fiasco – Over Private Meetings first appeared on Mediaite.

While Secretary of State Marco Rubio will fill in temporarily as national security adviser, President Trump is likely to follow his own often quixotic instincts.