Upper middle-class suburbs in Western Pennsylvania like the 28th District are shifting Democratic know where remotely to the same speed that Philadelphia suburbs have over the last 20 years, but there is some shifting.
Yeah, although the Greater Pittsburgh area overall has shifted against Democrats, Allegheny County (which contains both Pittsburgh and many surrounding suburbs, including at least parts of Turzai's district) was one of just five counties where Clinton improved on Obama's margin of victory. Three of the other four counties that trended Democratic in 2016 were suburban counties in SEPA, and the remaining county is home to Penn State.