If you're in the market for a training video on the topic of interviewing and hiring skills from the perspective of the interviewer (as opposed to the interviewee), by far, the best selling video out there on the topic is More Than a Gut Feeling III. It outlines the techniques needed to conduct behavioral interviews and is straight forward and practical in its approach. To find out more, click here.
Another video recently released on this topic is Behavioral Interviewing: Taking the Guesswork out of Recruiting. - This video makes many of the same points as More Than a Gut Feeling, however, has a much more humorous tone. To find out more, click here.