ABU DHABI, **v 9 (Reuters) - Bahrain has dropped a case filed four months ago to suspend the activities of an opposition political group, the state news agency BNA said on Sunday, in a move that could ease tensions ahead of general elections. The Justice Ministry in July asked a court to suspend the National Democratic action Society, k**wn as Waad, and two other groups, including the main opposition group Al Wefaq, for three months. ...