You’ve either got a taste for the blood-drenched, sexed-up, medieval-flavored political brilliance of Game of Thrones – or you don’t. I figure I’m in good company with Margaret Atwood, who says, “Once sucked in, you stay sucked. Be warned.” I’m also expecting to be wild about the BBC miniseries Wolf Hall, which airs Sunday nights beginning April 5th on PBS Masterpiece (9 pm central). Game of Thrones starts up …