Commentary The fallout from America’s disastrous withdrawal from Afghanistan continues to influence the perception of the United States by allies and adversaries alike around the world. Japan and China are key examples of nations reacting to the Biden administration’s weakness to further their national interests. Strategic Ambiguity Means Weakness The Biden administration’s characterization of the U.S. policy toward Taiwan as one of “strategic ambiguity,” after pledging to defend the island nation against Chinese aggression, is a clear example of weakness and hesitancy. Walking back President Joe Biden’s defense pledge has only increased allies’ doubts about the United States to meet its security commitments. Upon taking office, Biden told the world that “America is back.” But where are we back? Whose back does America have? America is certainly not “back” in Afghanistan, nor in the Middle East. Nor does it appear that Russian potentate Vladimir Putin and China’s Xi Jinping have …