The Call of Duty XP event has come to a close, and as we sit here and wait for the shuttle to the airport, we can't help but look back at all the great stuff it had. Mutliplayer competitions, outdoor events, freebie giveaways, concerts...Activision spared no expense in assuring us that we would have a good time. However, there was one conspicuous item that was sorely missing from the proceedings -- we didn't get to look at the Campaign Mode.