http://www.youtube.com/watch?v=akmxFEv3ado&feature=youtu.be At the PAX Prime gaming conference a trailer was displayed that gives us some early idea about what Halo 4 might be like. The trailer only shows concept art — it’s early enough that it doesn’t have cinematics and barely has animation. It’s all about atmospherics and aesthetics, as the video notes point out. It can still tell us a few things abo ...