According to the Post, Sorensen's ex-wife claimed that he was violent and emotionally abusive during their short-lived marriage.
A second White House aide, speechwriter David Sorensen, also resigned Friday after his ex-wife accused him of running over her foot, putting out a cigarette on her hand, and throwing her into a wall, the Washington Post reported. He, too, denies the allegations.
In a separate interview on "This Week", Stephanopoulos asked former New Jersey Governor and ABC News contributor Chris Christie if Trump needs a new chief of staff. The Harvard Law School grad previously worked as a senior adviser to Jeb Bush's 2016 presidential campaign and Sen.
Sorenson denied the allegations, instead blaming Corbett for the physical violence.
He was filling in the shoes of White House Press Secretary Sarah Huckabee Sanders who is away on a vacation.
Trump has also tapped former Deputy Chief of Staff Jim Carroll to serve as the next drug czar.
Trump's insensitive tweet comes after two members of his staff were pushed out this week over abuse claims made by ex-wives, all within two days of each other.
Media reports say Kelly apparently had prior knowledge of Porter's inappropriate behavior.
According to the Post, Hicks knew that one of Porter's ex-girlfriends had called White House Special Counsel Donald McGahn in late 2017. He issued a statement Wednesday calling Porter "a man of true integrity and honor".
"There's a lot going on behind the scenes in the White House - a big scramble to try and cover this up, or at least mitigate the situation, because they know it's a mess right now", Gabriel Debendetti, of Politico, said.
It is not the first time Trump has been dismissive of allegations against staff and political allies.
Porter resigned Wednesday in the aftermath of his two ex-wives describing his alleged abuse. He has denied the charges. Several news agencies have reported that he is now romantically linked with another close Trump aide, White House Communications Director Hope Hicks.
Mulvaney said Trump and Kelly were saddened by the accusations against Porter.
Sorensen's departure adds to the ongoing headache for the White House and amplifies questions about how thoroughly it not only vets staff but also takes claims of domestic abuse.
She later said of the President: "He says Gen. Kelly is doing a great job and that he has full faith in him, and I think he looks at the full measure of all of us".
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