Andy Lester, author of "Land the Tech Job You Love", has an excellent blog post up called Bad Tech Job Interview Questions (and How To Answer Them).
It is a good read whether or not you are interviewing. It has good advice if you are on either side of the interview table.
Thanks for the link love, Tom.
There's a companion article for the interviewer's side of the table: http://blog.smartbear.com/software-quality/bid/280172/What-To-Ask-Candidates-In-Job-Interviews-Without-Being-Insulting-And-Wasting-Your-Time