Welcome to Up for Debate. Each week, Conor Friedersdorf rounds up timely conversations and solicits reader responses to one thought-provoking question. Later, he publishes some thoughtful replies. Sign up for the newsletter here.In the 2024 election, candidates will debate U.S. foreign policy toward China, Russia, Ukraine, Israel, Iran, Mexico, and beyond. What foreign-policy matters are most important to you and why?