It's been 20 years since the terrorist attacks on the U.S. on Sept. 11, 2001. Kelvin and Josh remember where they were, and what we've learned since.
Links
• Katie Spotz
• Steve Buscemi on WTF Podcast
• Tom Junod's Falling Man story
• Cal Fussman's 9/11 story
• Fooled by Randomness by Nassim Nicholas Taleb
