Hi, CAGers! Friends and I are doing a walk through of H4 and wanted to share. I hope it's fine to even post a walk through here as I don't see anyone else doing them.
Halo 4 Legendary Co-op Walkthrough (Part 1) (Spoilers)
http://www.youtube.com/watch?v=pn9ZyFaytCw&feature=plcp
Noobs Over...