BEIRUT — As a bomb descended on a multi-story apartment building in Beirut's Tayouneh area Friday, hundreds of onlookers gathered in the street at a traffic roundabout several hundred meters (yards) away. Among them was an Associated Press photographer. Hassan Ammar had donned his flak jacket and helmet and rushed to the scene — taking up his position at a safe distance using a long lens — after the Israeli military issued an evacuation warning with a map marking the targeted building. The