24: It's fast, it's exciting, it's extreme

24 is back for a fifth season, and it's wilder than ever.So here we have an alternate reality where nukes go off on American soil, terrorists succeed in bringing down Air Force One, and presidents are assassinated with alarming frequency. Everything we're afraid will happen is constantly coming true. Given today's total political preoccupation with terrorism, 24 is as topical as this week, and as