Dynamic Languages Strike Back
Superb talk by Steve Yegge (judging from the transcript, at least). Be sure to check out the comments, too.
This is a single archived entry from Stefan Tilkov’s blog. For more up-to-date content, check out my author page at INNOQ, which has more information about me and also contains a list of published talks, podcasts, and articles. Or you can check out the full archive.