Mental Fitness Donald Trump Calls to Step Aside Debate Performance Democratic Party Transparency Governors Presidential Debate Performance Criticism Response to Criticism Determination to Continue Support from Chuck Schumer Concerns about Candidacy Reactions from Democrat Senators Performance Viability Health Hakeem Jeffries Age Challenges Faced Potential Withdrawal Press Conference Mistakes Press Conferences Retirement Assassination Attempt on Donald Trump Mental Decline Kamala Harris Concerns Over Power Transfer Presidential Address Policy Statements Gaffes Press Secretary Media Coverage Public Perception Biden's Policies Presidential Remarks Age and Cognitive Abilities Cognitive Decline Behavior Presidential Performance