Rating agency Fitch on Tuesday (Aug 1) downgraded the US government's top credit rating, a move that drew an angry response from the White House and US Treasury Secretary Janet Yellen. <br /><br />Reuters US Investment Correspondent Davide Barbuscia explains why Fitch made the decision.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
