DUBAI (Reuters) - An Iranian commander has confirmed the presence in Iraq of the influential chief of Iran's Quds Force, an overseas arm of the Revolutionary Guards, saying Qassem Soleimani was fighting the Islamic State militant group, official media reported. The statement by General Amir Ali Hajizadeh appears to be the first confirmation by a named Guards official of the presence in Iraq of Soleimani, one of the most powerful men in Iran, and of his involvement in efforts to counter the Sunni Muslim group. ...