One movie I’m looking forward to this summer is Michael Mann’s “Public Enemies,” starring Johnny Depp, Christian Bale and Marion Cotillar. I understand there is some trepidation from Mann fans given the director’s last outing was the not-so-great “Miami Vice.” I have a hard time believing Michael Mann is capable of dropping two consecutive cinematic bombs, and based on what I’ve seen from the “Public Enemies” trailer, it’s going to be chock full of gangstery goodness. Shown above are three …