Just as downtown Pittsburgh saw a trio of packed events last weekend, Greensburg will erupt in activity with its own trifecta of performances, celebrations and gatherings beginning Friday night. The Palace Theatre will be hosting soft-rock duo Air Supply for a show at 7:30 p.m. on Friday, Seton Hill University
Sorry, Taylor Swift, you’re old news. 
This week, it’s all about Barbie. The long-awaited, first live-action movie about the world’s best-selling fashion doll arrives in theaters this weekend with Margot Robbie in the title role and Ryan Gosling as her perpetual boyfriend, Ken. “Barbie” finds the pair kicked out of