Jerry Seinfeld to headline Comedy Central’s Colossal Clusterfest in San Francisco

This week, Comedy Central and Outside Lands/Bonnaroo organizers Superfly announced Colossal Clusterfest, a three-day comedy festival in San Francisco that will feature a ton of famous comedians, musicians, and “iconic comedy attractions” based on South Park, It’s Always Sunny In Philadelphia, and Seinfeld—only one of…