or 3 hours. Unless you meant to say that only the first 2 hours are entertaining. Or perhaps the final 2 hours.
eh
Anyways, here's another article dicussing Avatar and Conservatives. Very intertesting...
http://latimesblogs.latimes.com/herocomplex/2009/11/usc-professor-creates-alien-language-for-avatar.html?cid=6a00d8341c630a53ef0120a6c873f0970b