It must be getting tough to attract a full price audience for the foul-mouthed lefty, despite years and years of promotion on HBO.  So promoters in Los Angeles -- the second largest metropolitan area in America -- have resorted to Groupon, and are deeply discounting tickets, from $75 down to just $20, which starts to approach movie ticket prices.  The fact that the limit is a generous 8 people tells us that they are desperate.   Hat tip: a loyal reader(Read Full Post)