Washington's Ukraine diplomacy in recent weeks has raised questions about the reliability of US commitment to the security of its Asian allies.

America’s Asian allies are torn between competing theories. One holds that Asia is different from Europe because China poses a far greater threat than Russia does. America thus needs Asian allies more than European ones,

With America’s NATO allies already reeling from the Trump government’s apparent U-turn on prior U.S. policy toward Ukraine and Russia, East Asian allies nervously await the full attention of the new administration.