Stephanopoulos asked Giuliani if the president has the power to pardon himself, the former mayor of New York City responded that he "probably does".
Responding to Giuliani's comments, former federal prosecutor Preet Bharara told CNN's Dana Bash that "If the President decided he was going to pardon himself, that's nearly self-executing impeachment". The move, Giuliani said, could spark impeachment proceedings. "I think it would probably get answered by, gosh, that's what the constitution says", Giuliani told ABC's This Week program on Sunday.
Later in the same program, former New Jersey governor Chris Christie, a Republican, also dismissed the argument put forward by the Trump legal team that the president inherently can not obstruct justice. "If the president were to pardon himself, he'll get impeached".
Mueller has told Trump's lawyers that investigators need to speak with the president to determine whether he sought to obstruct the probe.
Giuliani said he believes Mueller will wrap up the probe before September 1 given his sensitivity to "not doing another Comey and interfering horribly in the election". "Pardoning other people is one thing, pardoning yourself would be tough". This, the letter argues, was not an admission that Trump fired Comey because of the Russian Federation investigation-"in fact", the letter asserts, "the President did not ever say such a thing".
Giuliani also defended the legal letter's broad claims about the president's power over the investigation itself Sunday, describing the U.S. Department of Justice as a "creature of the president".
The letter did not explicitly describe the possibility of Mr Trump pardoning himself.
The letter is "pretty extraordinary" in that it states an action that would otherwise be illegal isn't illegal when a president does it, former Manhattan federal prosecutor Mimi Rocah said. It's a hypothetical point, " Giuliani said. "That's another really interesting constitutional question: Can the president pardon himself?".
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Former U.S. Attorney for the Southern District of New York Preet Bharara doubts Giuliani.
There is an argument for self-pardoning from a president.
"The Department of Justice is a creature of the president". That was false. A January 29 letter from Trump lawyer John M. Dowd stated that Trump Sr. dictated the statement.
Norm Eisen, a former White House ethics lawyer under President Obama, told HuffPost that Giuliani's claims were "absurd".
In an email, Harvard Law School Professor Laurence Tribe, a frequent critic of Trump, called the letter "flatly wrong legally and indefensible constitutionally".
Giuliani told HuffPost in an interview that Trump's presidential power extends so far that "in no case can he be subpoenaed or indicted".
Trump has consistently rubbished the investigation into potential collusion between his campaign and Russian Federation, labelling the probe "fake news" and a "hoax".