In sprawling Capitol, leaders struggle to keep virus at bay

Federal Emergency Management Agency Administrator Peter Gaynor, left, greets Rep. Sheila Jackson Lee, D-Texas, right, as he arrives to testify before a House Committee on Homeland Security meeting on Capitol Hill in Washington, Wednesday, July 22, 2020, on the national response to the coronavirus pandemic. (AP Photo/Andrew Harnik, Pool)

Federal Emergency Management Agency Administrator Peter Gaynor, right, greets Chairman Rep. Bennie Thompson, D-Miss., left, as he arrives to testify before a House Committee on Homeland Security meeting on Capitol Hill in Washington, Wednesday, July 22, 2020, on the national response to the coronavirus pandemic. (AP Photo/Andrew Harnik, Pool)

Rep. Louie Gohmert, R-Texas, studies notes during a House Judiciary Committee hearing on the oversight of the Department of Justice on Capitol Hill, Tuesday, July 28, 2020 in Washington. (Matt McClain/The Washington Post via AP, Pool)

Senate Majority Leader Mitch McConnell of Ky., listens to a question during a news conference on Capitol Hill in Washington, Monday, July 27, 2020, to highlight the new Republican coronavirus aid package. (AP Photo/Susan Walsh)

Sen. Marco Rubio, R-Fla., left, and Sen. Susan Collins, R-Maine, right, talk during a news conference on on Capitol Hill in Washington, Monday, July 27, 2020, to highlight the new Republican coronavirus aid package. Unemployment assistance, eviction protections and other relief for millions Americans are at stake as White House officials agreed Monday to launch negotiations with House Speaker Nancy Pelosi on a new coronavirus aid package that's teetering in Congress ahead of looming deadlines. (AP Photo/Susan Walsh)

House Speaker Nancy Pelosi of Calif. arrives at a news conference on Capitol Hill in Washington, Friday, July 24, 2020, on the extension of federal unemployment benefits. (AP Photo/Andrew Harnik)

Senate Minority Leader Sen. Chuck Schumer of N.Y. walks to the office of House Speaker Nancy Pelosi of Calif., on Capitol Hill in Washington, Wednesday, July 29, 2020, for a meeting with Pelosi, President Donald Trump's Chief of Staff Mark Meadows, and Treasury Secretary Steven Mnuchin. (AP Photo/Andrew Harnik)