By Justin Wingerter Staff Writer jwingerter@oklahoman.comIn a series of votes late Thursday, Oklahoma's two U.S. senators paved a path toward dramatic tax reform and voted to open the Arctic National Wildlife Refuge to oil and gas development, repeal the Affordable Care Act and limit enforcement of the Endangered Species Act. The Senate approved, by a narrow 51-49 margin, a $4 trillion budget blueprint that will allow Republicans to proceed with efforts to overhaul the nation's tax code.Read more on NewsOK.com