If you've ever witnessed (or worse yet, experienced, encouraged, or participated in) the "girl-on-girl crime" of high-school cliques, malicious gossip, fierce competitiveness, and vicious backstabbing, and can still see the humor in it (or at least in the most egregious perpetrators getting their comeuppance!), then Mean Girls – the new musical comedy by Tina Fey […] The post Review: 'Mean Girls' at the A…