Fracking has become a flashpoint in the election's final week, particularly in Pennsylvania where both President Trump and Joe Biden made stops on Monday. But much of the political rhetoric has ignored that the industry has gone from boom to bust, beset by layoffs, bankruptcies and fire-sale mergers.Axios Re:Cap digs into the state of fracking, and what it means for the future of American energy, with Bob McNally, president of Rapidan Energy Group.