Joseph Brown on Eric Dinallo, rating agencies and Bill Ackman

Part 2: Joseph Brown of MBIA continues his conversation with US Managing Editor Chrystia Freeland. In the second segment of this two-part interview, Mr Brown empathises with difficulties faced by ratings agencies but challenges those betting against his company. Next week: Bill Ford of General Atlantic. If you would like to suggest a question for Mr Ford, please send it to the address below.