When newshounds flocked Monday afternoon to the Eugene O'Neill Theater, where Rosie O'Donnell was hosting a panel discussion about teen issues with the Degrassi kids ( yes, our Angel Cohn was there), Rosie crowed to the crowd, "You'll hear very soon" about her plans for post- View existence. She revealed not a bit more, instead only signing autographs for fans. Hey, as long as those plans don't involve being Jack Bauer's new sidekick.