(Las Vegas, NV)  –  Clark County Commissioner Steve Sisolak is questioning the use of fire trucks by off-duty firefighters.  The “Sun” says Sisolak has placed an item on tomorrow’s commission agenda, over the use of reserve trucks while raising money for the Muscular Dystrophy Association.  Sisolak says he’s concerned about the county’s liability in case of an accident.  The commissioner has led efforts to ban firefighters from doing charitable work while on duty.