Article Photos: President Barack Obama's four-state energy tour stops in Oklahoma on Wednesday 69/78

President Obama gives a final wave to crowd as he leaves after delivering his speech. With  large oil pipe stacked 20 feet high as a backdrop, President Barack Obama delivered a speech promoting his administration's energy policies  to a group of about 200 invited guests at a pipe storage  yard just north of Ripley Thursday morning,  March 22, 2012.   Photo by Jim Beckel, The Oklahoman