The summary provided is a general overview of the discussion of the Biden Doctrine and its implications for America's global future, as well as reflections on the lasting legacy of the Biden administration's approach to foreign policy. It is based on a hypothetical scenario and should not be considered a definitive analysis of the Biden administration's foreign policy. The actual impact and legacy of the Biden Doctrine will depend on a variety of factors, including the outcomes of specific policies and events, as well as the broader geopolitical context. Readers are encouraged to seek out additional sources and expert opinions for a more comprehensive understanding of these complex issues.