Today’s episode of the Rock it Out! Blog is dedicated to the hoopla surrounding Green Day frontman Billie Joe Armstrong. Two days after ranting on-stage at the iHeart Radio Festival in Las Vegas, Armstrong checked himself into rehab for substance abuse treatment. Sami discusses the news and asks whether the band is going back to their punk rock roots or if this is just one big publicity stunt. Check out the video below and let us know your new the comment section below.