"Why do you think he belongs behind bars?" the president said about the deputy attorney general, who appointed special counsel Robert Mueller to lead the Russia investigation.
"Robert Mueller is getting under his skin," Lemon said.
Manafort allegedly began lying to investigators just two months after agreeing to cooperate.
The White House legal team reportedly torpedoed the meeting after hearing the planned scope of the interview.
"You have to always be careful when you answer questions with people that probably have bad intentions," the president said.
The president has repeatedly called the special counsel's investigation a "witch hunt."
Critics say President Donald Trump's legal team's stance that he cannot obstruct justice is position a king or dictator would take.
The FBI raided Cohen's office, home and hotel room.
The president has reportedly considered firing Robert Mueller and Rod Rosenstein.
The president's legal team has handed over extensive documents to shorten the time he spends in face-to-face interviews with the special counsel.
Nunberg was an aide on Trump's 2016 campaign.
He admitted to lying about communications he had with Rick Gates, who is also facing charges.
Mark Corallo left President Donald Trump's legal team last July.
The conservative attacks on special counsel Robert Mueller continued unabated Tuesday
Organizers are planning demonstrations around the country in the event the special counsel is terminated.
The special counsel's investigation into Russian meddling during the 2016 election may last at least another year, according to a new report.
The president and his supporters are increasingly attacking the special counsel and his team.
The special counsel's office released its first expenditure report.