So the Archdiocese of Washington expressed concern about this ad from the DC Metro system, and Metro voluntarily pulled the ad:
 
 
I’ve been busy doing the GoogleBlog search thing and the reactions from St. Blog’s are already pouring in:
Liturgy Geeks: Good thing. A red zucchetto? Please.

Traditionalists: (darkly) Of course. There’s chant, and everyone knows these people are no Friend to Tradition.
NPM members: Good. Latin? Chant? Where’s the full and active participation?
Progressive types: (darkly) Of course. NeoCon Catholics in bed with President Cheney and big oil. Can’t have the Pope riding public transportation and threaten that cozy relationship.
Certain People Who are Probably Way Too Irreverent For My…er, I mean..Their Own Good: Huh?
WaPo article.