Economist schools Elon Musk on Medicare, Social Security, immigrants
Musk's controversial words about immigrants and entitlements prompted a major reaction.

Billionaire Elon Musk has never been a stranger to controversy, but some recent comments he made about immigrants, Medicare and Social Security elicited a thoughtful response from a research fellow at the Center for Retirement Research.
Geoffrey Sanzenbacher, who is also an economics professor at Boston College, explained that as a general rule he would rather stay out of day-to-day news cycle drama, but those words got his attention.