The 'cut spending' conversation finally arrives at Medicare - What to know about Dr. Oz, the TV physician Trump tapped to run Medicare - Granderson: Trump would gut Social Security and Medicare just as boomers need them - Antitrust cops should be going after Medicare, not Google - Harris, Trump lob Social Security and Medicare claims - No, Donald Trump, migrants aren't 'killing' Social Security and Medicare - Two Johns' subtle differences on Social Security, Medicare - Future of Social Security, Medicare commands campaign trail - Biden campaign launches battleground state effort to hit Trump on Social Security, Medicare - 'Not on my watch' -- Biden blasts Trump over suggested cuts to Social Security, Medicare