China today not only claims Taiwan, but the Senkaku Islands that Japan claims, and all of the islands in the South China Sea, which are also claimed by Vietnam, Malaysia, Indonesia and the Philippines.
Is it our obligation to validate all of these claims against China? What is our vital interest in any of these disputes when every president since Richard Nixon has agreed that Taiwan is part of China? Cannot these countries buy from us the weapons to defend themselves?
Europe is as prosperous and more populous than the United States. And the Russian army is no longer in Germany, but 1,000 miles to the east, behind the Baltic republics, Belarus and Ukraine.
What is the necessity now for a U.S. troop presence in Europe?