CNN Fareed Zakaria GPS December 20, 2015 15:08:00
By striking at their oil infrastructure, but there's also -- >> trump keeps saying we should be bombing their oil fields. i assume the answer to that is we are. >> we are bombing their oil infrastructure in a way that is making it very difficult for them to look forward to the kind of oil sales that they've had in the past. let me give you an example. we've targeted the tanker trucks that move oil in the country and we've taken 400 of those tanker trucks out in the last month, month and a half. we're going tow infrastructure around their oil refineries. but that's not the only source isil has....
Source: archive.org