Donald Trump is set to inherit President Biden's strong economy. Also, Sen. Joni Ernst plans to meet with Pete Hegseth next week. Plus, House Oversight Committee Democrats prepare for a new Trump term. And states are Trump-proofing ahead of inauguration. Timothy Snyder, Rep. Madeleine Dean, Rep. Gerry Connolly, New York State Senate Majority Leader Andrea Stewart-Cousins, and Heather Williams join Jonathan Capehart.

President Biden lays out the economic legacy that Donald Trump will inherit. Also, Adam Schiff is sworn in as a U.S. senator on Monday by Vice President Harris. And Lisa Blunt Rochester is elected as Delaware's first female senator and first Black senator. Jared Bernstein, Sen. Adam Schiff, and Sen.-elect Lisa Blunt Rochester join Lawrence O'Donnell.