Meet the activists using social media to turn hashtags into rallying cries
(ABC News) — When 20-year-old Sergio Mejia stood on a busy street corner in southern California raising his arms in prayer for Syria, Iraq and Lebanon, he quickly drew a crowd. In the YouTube video of Mejia’s public plea for peace, passersby can be seen reacting with surprisingly strong emotions. “Thank you for this man who raises his hands for…