Banana Monologues - SD **1/2
The Banana Monologues - where the real brains lie!            By: Sandi DurellAttention Sgt. Johnson!There seems to be one outstanding "character" in this one-man comedy mash-up, and it's Sgt. Johnson. John R. Brennan - the man who plays several characters; romps, rolls and cajoles his way in, around, up, down and through the platform stairs that make up the scenic desi…