Mark Cuban is taking aim at the U.S. healthcare system, arguing that widespread billing abuse by insurers and providers could be a major source of federal revenue–if only they were held accountable. “If we fined insurers and providers $100 every time they over-billed, incorrectly denied care or misrepresented any amount of patient out of pocket, we could pay off the national debt,” the billionaire entrepreneur posted on X last week. Don't Miss: Calls For System Overhaul Cuban said the system is rigged a ...