Several sideshows have been booked around this year’s Sick New World festival in Las Vegas, NV. Here’s the dates and lineups: 04/24 Las Vegas, NV – House Of Blues (feat. Poison The Well, Terror, Pain Of Truth, and End It) 04/24 Las Vegas, NV – The Chelsea @ The Cosmopolitan (feat. Mastodon, The Melvins, and…