The Memo: Impeachment’s scars cut deep with Trump, say those who know him

President Trump is blasting back at impeachment, but he will feel its scars deeply, according to people who know him.

Trump, for all his belligerence and bluster, is viewed by many who have been close to him as acutely insecure.

He has sought validation and respect for much of his adult life — and has often been frustrated when it has not been forthcoming.