U.S. authorities investigating the collapse of MF Global have called in former executives of the failed commodities brokerage in recent weeks for additional interviews, people familiar with the inquiry said, as regulators work towards filing civil charges.The new interviews follow a meeting prosecutors and regulators had last month with the firm’s former chief executive, Jon Corzine, and suggest investigators have new information they want to ask other officials about. The new push comes close to the one-year anniversary of the firm’s spectacular collapse, which left an estimated $1.6 billion in customer funds missing. Read more in the Chicago Tribune here.
