Fight over Fed powers stalls $900 billion aid plan

Speaker of the House Nancy Pelosi, D-Calif., sits after receiving a Pfizer-BioNTech COVID-19 vaccine shot in Washington, Friday, Dec. 18, 2020. (Anna Moneymaker/The New York Times via AP, Pool)

In this Dec. 15, 2029, photo, Senate Majority Leader Mitch McConnell of Ky., walks past reporters on Capitol Hill in Washington. (AP Photo/Susan Walsh)