I tend to believe that "walk me through a peer review of this code" is a great interview question. It speaks to the user's familiarity with the language, with p

I tend to believe that "walk me through a peer review of this code" is a great interview question. It speaks to the user's familiarity with the language, with problem solving in general, and also people skills. Sure, it's not the end all/be all, but someone needs to be pretty amazing to want to work with them if they are incapable of doing a peer review.