permanent job. this comes after a report of a violent family incident when shanahan's son attacked his own mother with a baseball bat. shanahan argued in a memo two weeks later that the teen was defending himself. shanahan told the post that he later regretted the memo and the self-defense was false. >> an administration official tells cnn shanahan was fully vet and they were aware of the domestic abuse claims. even though shanahan himself was never arrested, there was growing concern that his ex-wife would publicly accuse him of domestic abuse. shanahan's withdrawal raises key questions about pentagon leadership now coming just as tensions are escalating with iran. we'll have more on that in a moment. congresswoman alexandria ocasio-cortez seems to be