Article Photos: Gas drilling presents Obama with historic choices 1/1

  FILE - In this July 27, 2011 file photo, Range Resources site manager Don Robinson stands near the well head by the drill that goes into the shale at a well site in Washington, Pa. Energy companies and environmental groups are both wondering how President Barack Obama's reelection will impact the boom in shale natural gas drilling. (AP Photo/Keith Srakocic, File)