Bernie is [laying down] (https://www.sfchronicle.com/politics/article/Thousands-line-up-in-San-Jose-for-Bernie-Sanders-15097033.php) the ground rules.
Sanders told The Chronicle on Sunday that he won’t choose a running mate who doesn’t support his signature issue, Medicare for All, a government-run single-payer health system that would require Americans to give up their private health insurance.
Bernie Sanders told the San Francisco Chronicle he would only pick a running mate who backs Medicare-for-all; he thinks it’s a really swell idea to threaten tens of millions of Americans with having their private insurance plans taken away from them and replaced with a government-run plan that they don’t know anything about and that Bernie really doesn’t know how to pay for.