Robert Mueller
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Did the Mueller Report describe suffcient evidence to support an Obstruction of Justice indictment against the president or anyone in his 2016 presidential campaign? Attorney General Bill Barr wrote a summary letter regarding the report, stating that there was insufficient evidence to support such an indictment. Robert Mueller responded to that summary letter by writing his own letter to Attorney General Barr, stating that Barr had not fully captured the "content, nature, or substance" of his report.

Trump and Mueller
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Donald Trump expressed concern that the Mueller investigation was biased against him because there were 13 Democrats (either registered as Democratic, or donated to Democratic Party candidates) and no registered Republicans among its investigators. Are these concerns reasonable?
Trump and Mueller
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Donald Trump tweeted:

How accurate are these assertions?

Brett Kavanaugh
Co-authors:
This argument map explores the best arguments for and against the idea that the FBI investigation into now-Justice Brett Kavanaugh was 'thorough', as Senate leaders asserted at the time.