Hacker News on 21 May 2008

• Essential Python Tips, Tricks, and Hacks
• Cory Doctorow: Our dangerous statistical ignorance
• PHP Sucks, But It Doesn't Matter
• Ask Eliezer Yudkowsky: How did you convince the Gatekeeper to release the potentially genocidal AI?
• New Common Lisp book announced, bills itself as a sequel to On Lisp.
• Giles Bowkett: Summon Monsters? Open The Door? Heal? Or Die?
• YourWeek: a reddit-powered TV news program by PBS
• James Simons: former mathematician and now billionaire hedge fund manager
• Anatomy Of A Failure: Lessons Learned
• A Detailed Five Step Twitter Scaling Plan