In recent years, critics on both sides of the aisle have taken aim at the longstanding policy of strategic ambiguity toward Taiwan. They argue that Washington should abandon ambiguity and embrace “strategic clarity,” explicitly pledging to fight China over Taiwan....

One of the biggest obstacles to peace negotiations with Iran is history. Three quarters of a century of experience with the United States has taught Iran caution, starting with the 1953 betrayal that took out the popular and democratically elected leader, Mohammad...