Hiring Overqualified Candidates

I recently read an article, well really a Blog, that got me thinking.  In our business, we are constantly searching for the "high potential" or "stretch" candidate.  Traditional thinking in the world of corporate recruiting says "stay away from candidates with too much experience."  But why?  So what if someone seems overqualified. Amy Gallo recent wrote her piece in Harvard Business Review titled "Should You Hire an Overqualified Candidate?"  In this posting she dives into the common reasons why not...