Discuss as: Deep questions on the Web By Alan Boyle, Science Editor, NBC News Tuesday Jan 2, 2007 4:50 PM Email Tweet — • N.Y. Times (reg. req.): Do we have free will? Or not? • Edge: What are you optimistic about? Why? • Dave Barry: Did anything good happen in 2006? (via Daily Grail) • The New Yorker: How do you operate a shower curtain?