Kamala Harris Donald Trump Vice Presidents Biden's Endorsement of Harris 2024 Presidential Race Re-election Campaign Public Perception Biden's Legacy Election Decisions Campaign Challenges Campaign Strategies Cognitive Decline Barack Obama Hunter Biden Health Status Campaign Commitments Reelection Bid Debate Performance Biden's Policies Campaign Suspension Biden-Harris Administration Foreign Policy Age and Leadership Mental Acuity Concerns Assassination Attempts Threats to President Volodymyr Zelensky Public Appearances Response to Disasters Vice Presidency Ethel Kennedy Memorial Services Nancy Pelosi Biden's Political Influence Age Milestones Age and Fitness Presidential Terms Approval Ratings 2024 Campaign Polling Performance 2024 Campaigning Vice President Kamala Harris Endorsements Presidential Campaigns Biden's Withdrawal from Race Presidential Legacy Reactions to Biden's Withdrawal Biden's Endorsement of Kamala Harris Public Service Endorsement of Kamala Harris 2024 Election Campaign Withdrawal Health Concerns Political Career Biden's Accomplishments