House Speaker Paul Ryan’s (R-WI) announcement that he will not seek reelection and retire in January at the end of his term leaves the Republican Party without a clear leader on entitlement reform and Obamacare repeal -- two of Ryan’s top, yet unfulfilled, priorities while serving as speaker. This year Ryan has largely abandoned efforts to make sweeping cuts to Medicare and Medicaid and to repeal the Affordable Care Act, but some top House Republicans hope he will make one...