2013/05/01 Headlines: Obama Renews Guantánamo Closure Vow, Defends Force-Feeding; Report: U.S. Close to Arming Syrian Rebels; U.S. Deploying Troops in Mali; May Day Protests Worldwide Oppose Austerity, Exploitation; Ríos Montt Genocide Trial Resumes in Guatemela; Arab League Renews Israel Peace Offer, Accepts Land Swaps; FDA Lowers Plan B Eligibility Age to 15 Years Old; Zimmerman Waives "Stand Your Ground" Hearing; San Francisco Gay Pride Parade Revokes Grand Marshal Honor for Bradley Manning; Same-Sex Civil Unions Begin in Colorado