For assorted somewhat relevant tweets, go here. And if you're curious about the stuff being promoted tonight (the book looks worth digging into), here are some key resources:
colbertnewshub.com (usu. has basic guest info, lots of Colbert fandom stuff. Including a daily show summary including the Suit Report.) www.kirkusreviews.com (book reviews, usually written by an identified expert in the field) www.publishersweekly.com (books, often read like promo material) http://www.rottentomatoes.com (movies, assembles lots of online reviews) http://www.metacritic.com (multimedia assembled reviews) barnesandnoble.com often has professional/editorial reviews (kirkus, pubweekly, booklist, library journal) Amazon isn't as good for reviews (IMO, customer reviews aren't nearly as reliable as they once were] Goodreads crowdsourced book reviews, sometimes useful my twitter list with assorted related-to-the-shows tweeters. The Late Night TV Page is invaluable (Note: Whenever reading reviews from the NYTimes (particularly Janet Maslin), remember this.)