The Biggest Threat to the US Economy Long Term

Catherine Rampel is an opinion columnist at the Washington Post where she covers politics with an emphasis on data driven journalism. She's also an economic and political commentator for CNN, a special correspondent for the PBS NewsHour and a contributor to marketplace. What do you see as sort of the biggest threat long term to the health of the US economy? Is it demographic? Where we've seen birth rates decline and the amount of money that GDP and just government spending, they need to go to seniors, goes up every year.