BEER WARS ARE BACK

Dear Client:The Beer Wars are back, baby. I haven't been this excited since they changed my gout medicine five years ago. Even Dos Equis is emerging from the shadows and spitting shade. I love it. A-B got us all crazy, and I like it like that (Pepsi ad reference). Usually it's the smaller company that picks the fight -- the so-called "able challenger" theory that Miller chief Norman Adami executed with some success in 2005. Nary have we seen a