Instant Reaction: President Biden Withdraws

President Biden's decision not to seek reelection and endorse Vice President Harris as the Democratic nominee, speculation on Harris's campaign future, analysis of Democratic Party struggles and Harris's political image, Biden's campaign funds reaching $100 million, endorsement of Harris as nominee, analyzing Harris's potential presidential campaign, reactions and endorsements following Biden's withdrawal, potential outcomes of Biden's decision on Republican party and electoral college, concern for First Lady amidst Biden's exit from politics.