Back in June we posted about the storm brewing in the coffee category when McDonald’s went all-in with McCafé. Well the pot is boiling over. Have you seen this t-shirt from Dunkin’ Donuts? It reads, “Friends don’t let friends drink Starbucks.” Not sure who would pay $14 for it, but DD has spunk for doing the kind of direct competitive messaging we’ve seen recently in this lagging economy. Dominoes taking on Subway’s toasted subs comes to mind. In fact, so does a poster ABC ran about ten years ago to promote its prime time shows. It read, “Friends don’t let friends watch Friends.” We love a good fight.