May 24, 2012 7:40 pm Helium Shortage A shortage of helium could not only put a damper on your upcoming celebrations, but it could also put some people’s lives at risk. News4’s Erika Gonzalez reports. Local 1:59 Smart devices make accidental 911 calls, emergency communications centers say 2:03 DC leaders introduce bill to require registration for mopeds 3:05 ‘An Evening With Leslie Odom Jr.' coming to Strathmore Friday 25:48 GW students plan to continue protesting until demands are met: The News4 Rundown 2:17 Family remembers woman allegedly killed by boyfriend