FILE - In a Monday, June 25, 2012 photo, a crew works on a drilling rig at a well site for shale based natural gas in Zelienople, Pa. .S. consumer prices rose slightly in May 2013, as higher energy ... more 
FILE - In a Monday, June 25, 2012 photo, a crew works on a drilling rig at a well site for shale based natural gas in Zelienople, Pa. .S. consumer prices rose slightly in May 2013, as higher energy costs were partly offset by cheaper food. The small increase underscores that inflation is mild. (AP Photo/Keith Srakocic, File) less 
1 / 30
Associated Press | Photo By Keith Srakocic, File
Tue, Jun 18, 2013 9:21 AM EDT