"It's enormously discouraging and dispiriting, and it is another reflection of this administration's march away from the principle of humanity", said Eric Schwartz, the former head of the refugee program under President Barack Obama.
"Steve Bannon has nothing to do with me or my Presidency. So he's like a pinball, just shooting off the sides", Wolff said.
Reagan, US president from 1981-1989, was diagnosed with Alzheimer's disease in 1994 and died in 2004.
Mr Wolff said of the President's actions: "Where do I send the box of chocolates?" The publisher instead moved up the release date to Friday.
Wolff's new book Fire and Fury: Inside the Trump White House is full of insider accounts of Trump's White House, and Wolff's resulting access to the president has been described as "unprecedented".
The President has gone to his Camp David retreat, hoping to steady the ship by concentrating on policy and looming elections in talks with congressional leaders.
NBC interviewer Savannah Guthrie asked Wolff what he was getting at.
Anyone hoping to grab a physical copy of Michael Wolff's explosive new book on President Donald Trump will have to wait a while.
The third faction was the president's daughter Ivanka and her husband Jared, referred to as Jarvanka, who according to Bannon are Democrats.
"Donald Trump came in, promoted his hotels, he promoted his book, he promoted himself at our expense, and I think he understands fully that we've ended the possibilities for such abuse of our party", party leader Patrick Choate said at the time.
"My credibility is being questioned by a man who has less credibility than perhaps anybody who's ever walked on Earth."
Wolff's book has set off a firestorm in Washington this week.
A recurring theme in Fire and Fury is the question of Trump's fitness for office. The White House earlier this year announced it would no longer make public logs listing visitors to the complex. "'Not us, it's him'". She said Wolff never interviewed the president, saying that he "repeatedly begged to see the president". He also reportedly told Wolff that special counsel Robert Mueller's investigation into the Trump-Russia connections is centered on money laundering. And throughout the day, they had more than 100 phone calls asking about it. Donald Trump, as we know, is prone to fits of rage.
An Associated Press White House reporter breaks down the controversial book 'Fire and Fury' by Michael Wolff.
Trump took to Twitter on Thursday night and said the book was "full of lies".
Trump and White House officials have pushed back hard on the book, which quotes senior aides variously describing the president as an "idiot", "dumb" and a "dope".
