Featured interview: Morningstar VP Michael Heydt

The White House and senior Republicans may have reached an "agreement in principle" to raise the debt ceiling, but now lawmakers must vote on it. The US government has never defaulted on its debt, but that didn't stop rating agencies including Morningstar from placing the country's AAA credit rating under review. Joining Julia to discuss is Morningstar Senior Vice President of Sovereign Global Ratings Michael Heydt.  Also on today's show: Selva Demiralp, Professor of Economics at Koç University in Istanbul.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices