By Adam Wilmoth Energy Editor awilmoth@oklahoman.comRepublican presidential hopeful Sen. Marco Rubio on Wednesday unveiled his energy policy at the Oklahoma City headquarters of the Oklahoma Independent Petroleum Association. Before a room full of local energy leaders and state politicians, Rubio said he would end the ban on domestic oil exports, reduce federal regulations and encourage states to take the lead on energy regulation and oversight. "Our businesses need to be able to operate affordably and effectively," Rubio said.Read more on NewsOK.com