DOGE Staff Marches Into U.S. Institute of Peace and Evicts Its Officials

A bubbling dispute broke into a dramatic standoff that ended with police involvement and the Department of Government Efficiency taking up residence at the independent agency.

Trump Visits Kennedy Center for First Time Since Taking It Over

The president, who ousted Democrats from the board of the once-bipartisan institution and had himself elected chairman, planned to preside over a meeting of its trustees.

A Pentagon Nomination Fight Reveals the New Rules of Trump’s Washington

When Elbridge A. Colby’s nomination for an obscure but important Pentagon job drew resistance, President Trump’s most ardent backers rallied to his defense.

Some Federal Office Leases Restored After Pushback to Musk Team’s Cuts

The chaotic effort to reduce the government’s real estate portfolio is another example of the setbacks the administration has faced as officials try to carry out President Trump’s agenda.

Michael Waltz, Trump’s National Security Adviser, Is Taking Fire From Both Sides

Mr. Waltz has worked hard to burnish his credentials among the president’s supporters, in the process dismaying his former associates while not convincing his new ones.

Senators Grill Dr. Oz on Medicaid Cuts and Medicare Changes

Dr. Mehmet Oz, the TV celebrity, dodged queries about Republican plans to cut health insurance for the poor, and emerged unscathed on his ties to major industries.

An Elon Musk Friend, Antonio Gracias, Joins His Effort on Social Security

The involvement of Antonio Gracias, an investor who has known Elon Musk for two decades, suggests that Mr. Musk has made overhauling the Social Security Administration a priority.

Dr. Oz Faces Senators at Confirmation Hearing to Oversee Medicare and Medicaid

The Senate Finance Committee holds a confirmation hearing on Friday for Dr. Mehmet Oz, the TV celebrity who is nominated to run major health programs for older Americans and the poor.