111 countries formally agreeing treaty banning cluster bombs . U.S. not yet and not expected to agree to banning cluster bombs . Controversial weapons often do n't explode but stay dangerous for years . U.N. estimated 1 million bomblets released in 2006 The CCW is to meet next in July . Lebanon are still unexploded .
111 countries formally agreeing treaty banning cluster bombs . U.S. not yet and not expected to agree to banning cluster bombs . Controversial weapons often do n't explode but stay dangerous for years . U.N. estimated 1 million bomblets released in 2006 Lebanon are still unexploded .