Cherry picking? Lemon dropping? How health insurers weed out sick people

How do health insurance companies avoid insuring more costly patients?  What’s a “trojan horse” when it comes to single-payer legislation? Does financing health care through an insurance system make sense? Join Dr. Stephen Kemble, practicing psychiatrist and past president of the Hawaii Medical Association, and Brenda Gazzar as they discuss one of the biggest challenges to winning Medicare for All in California - the popularity of HMO giant Kaiser Permanente.