FEISAL OMAR and  ABDHIRAHMAN HUSSEIN AT least 15 people were killed today in a suicide bombing as recruits lined up outside an army camp in the Somali capital Mogadishu, a Reuters witness who counted the bodies at Madina Hospital said. Officials at the hospital confirmed the dead were killed in an attack earlier in the day at a checkpoint outside the General Degaban military training camp in the capital. There was no immediate claim of responsibility. Islamist group al Shabaab frequently carries out bombings in the Horn of Africa country. Dozens of people crowded outside Madina Hospital searching for their…