The rare site of rivals sitting side-by-side at the El Clasico of Legends football match Friday night was appeasing to Lebanon at a time when its politicians struggle to do the same.  Former stars of Barcelona and Real Madrid donned the colors of their former clubs in front of a crowd which saw some fans make the trip to Beirut from across the Arab world. Just over 20,000 fans packed into Camille Chamoun Sports City Stadium, which witnessed a game under its bright lights with heightened security, where they enjoyed a pregame show with English and traditional folk music and…