Mamdani’s surprise win over former New York Gov. Andrew Cuomo in the primary race last month shocked Democrats across the country. Mamdani ran on a campaign to lower costs for New Yorkers, including implementing city-owned grocery stores to offer residents more affordable food options.

Dr. Kevin O'Connor cited physician-patient privilege and the right against self-incrimination under the Fifth Amendment.

Joe Biden's physician refused to answer questions during a closed-door deposition in House Republicans' probe of his mental acuity as president.

The strategy would allow Biden to take on Trump before early voting in battleground states kicked off, setting terms most advantageous for Biden and highlighting his "leadership," according to a memo.

Authors write ‘furious Biden aides repeatedly called and texted’ journalist who reached out to former president

Biden's White House Counsel Ed Siskel said Hunter Biden's unexpected presence on a call about the Supreme Court's immunity ruling was "inappropriate," a new book says.

New book reveals how First lady Jill Biden and advisor Anthony Bernal wielded increasing influence in the White House as President Joe Biden faced age-related scrutiny and pressure.

Wall Street Journal reporter Josh Dawsey told ABC's George Stephanopoulos that Hunter Biden helped his father make campaign decisions and often joined phone calls with his aides.