In the video, the billionaire corporate raider approaches the United States like a firm turnaround, employing the same thought process he typically applies to troubled businesses with ineffective management. While Mr. Icahn isn’t saying anything radically new, his warning deserves your attention. Investors who can weather the next downturn will find themselves well-positioned to capitalize on historic long-term opportunities. Still, there’s no question that Carl Icahn’s decades-long track record ranks him right up there with elite investors like Benjamin Graham, George Soros, and Warren Buffett. Time Magazine even called him the “Master of the Universe” and “the most important investor...