TV Roundup: Shark Week, Comedy Central's Diverse Roster, and Colbert

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Shark Week is back on the Discovery Channel, along with the requisite media feeding frenzy. A few of today’s headlines include’s “This Gruesome Video Will Get You Pumped for Shark Week” and USA Today’s “Justin Bieber is not a fan of Shark Week.” Despite the link-bait, Discovery Channel is promising more science this time around. Also, we discuss diverse programming at Comedy Central, and Stephen Colbert’s surprise appearance hosting a public-access show in Michigan.