On July 9th, Senators Chris Van Hollen (D-MD), Benjamin Cardin (D-MD), Mark Warner (D-VA), and Tim Kaine (D-VA) sent a letter to the Office of Personnel Management (OPM) and the Office of Management and Budget (OMB) expressing their opposition to plans requiring many federal workers in the National Capital Region and around the country to return to their worksites given the increase in the number of cases of COVID-19.