Portland's vibrant comedy scene is about to get even funnier with Helium Comedy Club's announcement of weekly open mic nights. Starting next week, aspiring comedians and seasoned jokesters alike will have a chance to take the stage and test their material in front of a live audience. The move is expected to draw new talent and provide a platform for local comedians to hone their craft. Helium Comedy Club, a staple in Portland's entertainment landscape, has long been a destination for comedy enth