It is obvious that this approach failed, which is why U.S. leaders now worry about unfavorable power trends in Asia and are actively trying to build … - Stephen Walt

Polarization will continue to hamper efforts to address the pandemic. It will encourage and facilitate foreign interference in U.S. domestic politics (or even the mere suspicion of the same)....and it makes other states warier of making long-term agreements with the United States because they cannot be sure that any promises that U.S. officials make will survive the next election cycle.

This argument carries some obvious implications for the next U.S. administration. First, as Sino-American rivalry heats up, winning (or at least not losing) will require more than tariffs, restrictions on Chinese students and high-tech firms, and bombastic speeches. It will also require preserving or regaining the lead in critical areas like artificial intelligence and 5G technology, which in turn means leveraging and incentivizing the impressive innovative capacity of U.S. firms and research institutions.

If U.S. policies were so successful, why did the Obama administration have to send more troops to Europe to reassure America’s prosperous but poorly equipped allies, and why did Trump ultimately do the same, despite his all-too-obvious skepticism about NATO’s value?