Joe Pitts + Pakistan?

The article suggests that the Pakistani intelligence agency ISI has been covertly sluicing money into the campaign chests of some members of the House.  Some went to Rep. Burton of Indiana.  He says he's shocked! Shocked!  Some went to Pennsylvania's Rep. Joe Pitts.  Should we be shocked?

http://www.propublica.org/article/pakistan-prominent-figure-influence-plot