In all the times I've been in Pittsburgh and even Chatham University in particular, I haven't smelled what he did. Not to say he didn't, and as he notes the sme

In all the times I've been in Pittsburgh and even Chatham University in particular, I haven't smelled what he did. Not to say he didn't, and as he notes the smells come and go so maybe I was fortunate. I just don't want people walking away with the impression things are like the smog-filled skies of decades past. It's really a nice city for where it is.