This is an excerpt from Zerohedge:

Over the course of 15 minutes, Icahn lays out his concerns about many of the issues we’ve been warning about for years and while none of what he says will come as a surprise (especially to those who frequent these pages), the video, called “Danger Ahead”, is probably worth your time as it does a fairly good job of summarizing how the various risk factors work to reinforce one another on the way to setting the stage for a meltdown. Here’s a list of Icahn’s concerns: