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Senators Klobuchar, Tillis, Hirono, and Blackburn appeared remotely in May at Judge Justin Walker's confirmation hearing for the D.C. Circuit. Walker testified in person.
Senators Whitehouse, Blackburn, Booker, and Hirono appeared remotely at Judge Cory Wilson's confirmation hearing for the 5th Circuit. Wilson testified in person.
Senators Toomey and Casey introduced a district court nominee remotely in June. All 5 of the district court nominees at the hearing testified remotely as well.
Senator Tillis attended that hearing remotely as well.
Senator Hirono and 6 district court nominees attended a hearing in June remotely. https://www.judiciary.senate.gov/meetings/06/24/2020/nominations-1
At this July hearing, Senators Portman and Brown introduced nominees remotely, 5 nominees testified remotely, and Senator Hirono asked them questions remotely. https://www.judiciary.senate.gov/meetings/07/29/2020/nominations
At this September hearing, Senator Cassidy introduced a nominee remotely, 5 nominees testified remotely, and Senator Hirono asked them questions remotely. https://www.judiciary.senate.gov/meetings/09/09/2020/nominations
Of the 22 senators on the Judiciary Committee, 4 Democrats and 2 Republicans have attended at least one nominations hearing over the past 5 months remotely. A good number of the other 16 (including Senator Harris, I believe) didn't show up remotely or in person.
