INSIGHTS Insights for 3-26-19 By Staff Monday, March 25, 2019 11:41 AM The government would have to build out infrastructure if they were to shut down all the private insurance companies. It’s not that simple pulling all that apart.-Mark Bertolini, the former chief executive of Aetna, now part of CVS Health, in comments to The New York Times for its recent story on the impact “Medicare for All” would have on private insurance plans.