In a letter addressed to Attorney General William Barr, Special Counsel Robert Mueller expressed his concerns regarding the justice official's conclusions of the 22-month-long investigation into Russian collusion in the 2016 Presidential elections.Mueller allegedly told Barr that the Attorney-General's four-page letter to the US Congress containing the takeaways did not fully capture his 448-page report, as per CNN.The two also spoke by phone, where Mueller put forth his concerns. The Special Counsel told Barr that his letter was more nuanced when it came to the obstruction of justice charges against US President Donald Trump.Even though Mueller gave a clean chit to Trump when it came to Russian collusion in his Presidential campaign, the Special Counsel fell short of completely exonerating the incumbent President when it came of obstruction of justice charges.The Attorney-general, however, chose not to pursue a case against Trump, citing a lack of sufficient evidence in Mueller's ...