U.S. Senator Heidi Heitkamp pushes for her bipartisan bills with Republican Senator Lisa Murkowski from Alaska to lift the ban on U.S. crude oil exports as a guest co-host of CNBC's Squawk Box on June 22, 2015. Joining her was ConocoPhillips CEO Ryan Lance, Continental Resources CEO Harold Hamm and Hess Corporation CEO John Hess.
