Why Mueller refused to review or support Trump AG Barr's letter

Trump’s Attorney General Bill Barr says he will release a version of the Mueller report “within a week” but will be redacting key portions in advance. MSNBC Chief Legal Correspondent Ari Melber fact-checks Barr’s “lawyerly dancing” around Mueller, where he appeared to invoke Mueller in ways that appeared to his benefit, but revealing under questioning, that Mueller himself did not play a role in drafting any letters about the probe that Barr released.April 9, 2019