As Americans go to the polls, we can learn hard lessons from the Middle East — where militias and nations have long grappled over authority, legitimacy, and power.

egotiations between the Taliban and the Islamic Republic of Afghanistan have opened in Doha, Qatar, but violence continues and even appears to be escalating. Some of the worst attacks, such as the Oct. 24 strike on an educational center in Kabul that killed at least 30 students, have been claimed …

China’s government said Monday it will impose sanctions on U.S. military contractors including Boeing’s defense unit and Lockheed Martin for supplying weapons to rival Taiwan, stepping up a feud with Washington over security and Beijing’s strategic ambitions.