Jack Smith, the former special counsel, during a break in a closed-door deposition with the House Judiciary Committee.

Dr. Mehmet Oz, the Medicare and Medicaid administrator, in May. The Trump administration has twice delayed Biden-era rules to slash payments for expensive skin bandages.

Donald Trump and Elon Musk are changing policy even before the president-elect takes office next month.

Gershon Baskin, an Israeli human rights activist, forged a relationship with a Hamas spokesman that for years served as an informal back channel between the group and Israel.

Representative James R. Comer, the chairman of the Oversight Committee, said his panel would continue to search for more evidence against President Biden.