When was the last release of a Clancy-branded book or movie?
I'm thinking there's a reason he sold the brand outright to Ubisoft.
http://news.cnet.com/8301-13772_3-9899543-52.html
As for the pervasiveness of vamps in pop culture, the discussion may be about to go mainstream:
http://www.msnbc.msn.com/id/44192205/ns/us_news-life/