Continuing the health care series, there does come a time in which innovative disruptors can break open a protected market and bring some competition. Think Uber and taxis.

From the Wall Street Journal, a familiar story of medical pricing mischief:" Michael Frank...had his left hip replaced in 2015. The Manhattan hospital charged roughly $140,000. The insurance company paid a discounted rate of about $76,000, and his share—a 10% copay, plus a couple of uncovered expenses—was a bit more than $8,000."

Trump's trade war with China could make the opioid epidemic worse.