Yesterday, as part of our series examining the economic challenges facing rural health care, "Marketplace Morning Report" host Kimberly Adams visited Thomasville, a town of 3,500 people in southwestern Alabama. Today, we'll learn from town residents what happens to a community — and its local economy — when addressing certain healthcare needs also means a multi-hour drive. But first, what would a government-controlled sovereign wealth fund that invests in AI look like?