Mueller is there as insurance against all corruption being exposed.
American people need to examine threats made by Samantha Powers and Chuck Schumer and ask themselves if this is the kind of country we want.
This is what he is protecting.
How McConnell and Chao used political power to make their family rich
https://nypost.com/2018/03/17/how-mcconnell-and-chao-used-political-power-to-make-their-family-rich/