In a recent Twitter exchange, billionaire entrepreneur Mark Cuban shared a thought-provoking idea about making medical school free. His comment came in response to a tweet from Dr. Anish Koka, who posted a video of Vivek Ramaswamy, an entrepreneur and politician, discussing how the best and brightest are no longer choosing careers in medicine. Don’t Miss: Astartup that turns videos into games gets backing from Mark Cubanand opens a round for regular investors at $250.Executives and founders of Uber, Facebook and Apple are bullish on this wellness app that you can coinvest in at $1.15 per share…