This week on Interchange, host Shanna Ritter speaks with Douglas Wissing. Mr. Wissing is a journalist, independent scholar, and author who has recently penned the book, "Funding the Enemy." During this hour long interview, Mr. Wissing discusses the history of the Afghanistan, the ongoing Afghan War, and the money trail that comes from the depleted US Treasury and ends up in the hands of the insurgents in Afghanistan.