POLITICO's Alice Miranda Ollstein and Adam Cancryn join Dan Diamond to discuss what's getting missed in the presidential debates about Medicare-for-all, from the likely Senate math in 2021 to the complications posed by Obamacare repeal. The PBS NewsHour/POLITICO presidential primary debate will be held on Thursday Dec. 19 and also televised on CNN. MENTIONED ON THE SHOW Alice's story with Alex Thompson and Holly Otterbein about how Medicare-for-all proposals caused trouble for candidates like Elizabeth Warren and Kamala Harris. Adam's story about the Partnership for America's Health Care Future, the industry-backed group working to kill Medicare expansion. Dan's story about how the Obama administration weakened the Affordable Care Act's cost-cutting measures to preserve jobs during the recession.