Democrats point to a 1924 law that allows Congress to request the tax returns of any taxpayer. But Trump and his defenders say the president's returns are private and can't be reviewed by Congress.
Prominent Republicans continued to criticize the idea of trying an out-of-office president, while some Democrats worried about hampering President Biden's agenda.
Dr. Anthony Fauci, now President Biden's chief medical adviser on COVID-19, says he rejoiced when the new president said that "science and truth" would guide the nation's policies toward the pandemic.
The nation's longest serving state house speaker in modern history, Democrat Michael Madigan from Illinois, stepped down from the speakership. He was driven from power by a federal corruption probe.
Iowa's decades-long lock on the nominating process has been under threat since last year's disastrous caucus, when results were delayed for days due in part to a faulty smartphone app.
The acting head of the U.S. Agency for Global Media fired the presidents and boards over three not-for-profit international networks who were appointed by an ally of former President Trump.
Corine Dehabey runs a group that helps resettle refugees in Toledo, Ohio. She says her organization is "hopeful" and "excited" about Biden's plan to raise the number of refugees allowed into the U.S.
One of the most daunting immigration challenges facing the Biden administration is what to do about the multitudes of migrants who want asylum protection in the United States.
Trump officials had directed the Census Bureau to use government records to produce data that a GOP strategist said would be "advantageous to Republicans and Non-Hispanic Whites" during redistricting.
White House press secretary Jen Psaki announced a series of steps the Biden administration is taking to try to tackle the threat of domestic extremism.
