For two successful actors, the convention circuit’s part of the job, but for Jason and Colby, it’s a challenge.Jason’s been a convention guest before. But he’s never let himself relax and enjoy it, too busy being an action hero to indulge his dice-rolling, fantasy-loving, science-fiction geek side. And Colby loves the idea of conventions, but has never been to one. He’s not comfortable with crowds and contact and demands, especially not these days.But they’ve got a very epic, very gay, new fantasy movie to promote. So they’ll navigate panels and photos and excitable fans together. And at the end of the day, Jason can give Colby some much-needed