Gillibrand: 'Disrespectful' Barr 'undermined' Mueller probe

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2020 Candidate, Senator Kirsten Gillibrand joins Ari Melber for a wide-ranging interview, discussing President Trump, the Republican effort to gut Obamacare and the Mueller probe. Gillibrand is the first presidential candidate to release her 2018 tax returns and breaks down why she is calling on all candidates, including Trump himself, to do the same. Gillibrand also responds to Trump Attorney General Bill Barr’s summary of the Mueller report, telling Melber, Barr “undermined the purpose” of Mueller’s job.