Former U.S. attorney Preet Bharara is predicting special counsel Robert Mueller will file a lengthy report – potentially hundreds of pages long – and that it may leak to the public. With all the competing arguments for how Mueller should proceed, Bharara, President Trump fired early in his tenure, believes the special counsel should explain his reasoning even if he decides not to charge Trump with any crimes. Mueller could give something 'bare-bones' to the attorney general, 'because he's said what he was going to say in publicly filed documents and indictments,' Bharara told Politico. 'Or, I think it's slightly more likely — a hunch I have — that he'll write a very lengthy, detailed document that goes into the prosecutions and the declinations at great length, with a lot of supporting exhibits as well.' Former U.S. Attorney Preet Bharara is predicting special counsel Robert Mueller will 'write a very lengthy, detailed document that goes into the prosecutions and the declinations at great length' In either case, Attorney General William Barr will be charged with deciding how much to share with Congress, where Democrats are demanding access to Mueller's work product. 'And once it is known that it's a 480-page document, then let the games begin,' Bharara says, making a rough stab at what the report may look like. Adding to the complexity is Trump lawyer Michael Cohen's guilty plea to a campaign finance violation involving porn star Stormy Daniels that Cohen testified 'Indidual-1' – Trump – directed him to carry out. The timing is also up in the air. The Special Counsel's office in a court filing Tuesday asked for an 11-day extension, telling the court the counsel working on the matter faced 'the press of other work.' Bharara, a Democrat who was put forward to his former 'sheriff of Wall Street' perch by Senate Minority Leader Charles Schumer, also maintains the possibility that the Mueller report will not be deeply damaging to the president who fired him, and cautioned observers to keep their expectations in check. 'All these people who hope that he's going to take this scourge of a man out of the White House are going to be really disappointed when he doesn't do that,' Bharara told the publication. Mueller will have to decide whether to explain his decisions not to charge individuals, possibly including the president, in the Russia probe President Trump would be immune from prosecution while in office under Justice Department guidelines. It is unclear how much detail Mueller will put into his report about people he does and does not decide to charge Trump fired Bharara three months into the president's term after making direct contacts with the prosecutor 'I think it's perfectly possible that the Mueller report will not be that damaging to the president. And all of us need to be prepared to accept that and move on.' Bharara has been a frequent Trump critic. He told https://twitter.com/TheBeatWithAri/status/1108133159613460486?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed&ref_url=https%3A%2F%2Fwww.foxnews.com%2Fpolitics%2Fformer-us-attorney-considered-taping-call-with-trump Tuesday he considered taping Trump when the president called him a few weeks after the president was sworn in. Bharara said the normal protocol would be for the president to go through his new attorney general. Bharara's office at the time had jurisdiction over Trump's business and other matters. A court filing Tuesday indicated Robert Mueller's prosecutors have their hands full 'I had a certain amount of mistrust. It was an odd phone call to be making,' Bharara says. 'It would be my word against [Trump's], if he decides to say something inappropriate. Bharara, who has a podcast and is promoting a book called Doing Justice, told Politico he is concerned about the way the president has flouted norms followed by his predecessors. 'We didn't contemplate that someone was going to just defile them in that way,' he said. He noted the unusual situation Trump is in. Justice Department guidelines state that a sitting president can't be prosecuted. Mueller is producing a report that may be sealed. Congress can impeach him, but the Senate is in his party's hands. 'Donald Trump has a unique benefit and a literally unique system of accountability that no one else has,' said Bharara. 'There's something called impeachment. … And the only way in which Congress is going to have the ability to know [if Trump broke the law] without doing its own completely duplicative separate investigation,' he says, 'is to get that information' from the Mueller report, he said. Last year, Trump asked former acting Attorney General Matthew Whitaker about the Michael Cohen probe, which was being handled by SDNY, and whether Geoffrey Berman, who Trump appointed after firing Bharara, could oversee the probe, according to the New York Times. 'Berman has a professional reputation to uphold and he’s going to go into what the facts require because those are the kinds of people he leads. And he would have a revolution on his hands if he did,' said Bharara.All rights reserved for this news site dailymail and under his responsibility