Supposedly, the Dems want to replace Obamacare with a single payer system. They truly believe that central planning, reams of new regulations and government with its thumb in every medical endeavor will yield better care at a reduced cost. No competition, of course.
When the Soviets went to collectives, Russia went from a major grain exporter to famine and importation. Now, they are exporting grain, again. Read about the area around Rostov-on-Don, where the harvest was particularly good. During the last years of the Soviet Union, there were constant food riots in that area.