![FILE PHOTO: Sidney Powell participates in a news conference with U.S. President Donald Trump's personal lawyer Rudy Giuliani at the Republican National Committee headquarters on Capitol Hill in Washington, U.S. November 19, 2020.](https://s.abcnews.com/images/Politics/Sidney-Powell-201_hpMain_20201220-221524_16x9_992.jpg)
President Donald Trump is slated to hand over control of the White House to President-elect Joe Biden in 31 days.
Top headlines:
- Attorney Sidney Powell back at White House Sunday
- Gina McCarthy accepts nomination for first-ever national climate adviser
- Chair of the Council on Environmental Quality designate says she knows 'faces of the marginalized'
- Michael Regan says he will enact an 'environmental justice framework' as EPA head
- Energy secretary nominee Granholm says commitment to clean energy was 'forged in the fire'
- Rep. Deb Haaland accepts historic nomination as first Native American Cabinet secretary