Doug, When I first read the article, I too wondered about that fact and it could be that the rights of "The Cardinal" are now owned by one of the production companies of the film called Gamma Productions which negotiated a deal with Warner. I don't know if Gamma is controlled by Preminger's...
This is great news about the following:A Patch of BlueThe Red Badge of CourageAlice AdamsMildred PierceThe CardinalDreamsDay For NightA Man and a Woman
I just hope they keep them coming and don't forget about Cagney and a few other underrepresented actors on dvd.
Crawdaddy