Unless you're Rip Van Winkle and have been taking a nap for some time, only to awaken and exclaim - what economic crisis? - you've been made more than aware of it. Which renders this latest doc like the last horse over the finish line in Secretariat.
Charles Ferguson, whose previous film was another cogent account of US failure, is an important contemporary historian. His style may be a little flat, but the material and the arguments are indispensable.