John GrosecloseFrom left, Alex Raines, Amanda Victor, Travis Russell, and Nathalie Cadieux whoop it up in Private Eyes.First off, I want to make sure you know that Black Theatre Troupe replaced their originally scheduled season closer, Three Sistahs, with a second run of Revenge of a King, which you really ought to catch if you haven't already (it plays through Sunday, May 10). (Read Robrt L. Pela's review of the revival here.)Okay, on to this week's new review: Honestly, I swear to Dionysus and