I don't think anyone has any doubts about him letting someone else from his team win. That's not even an option. But the top end of each event is as strong as it's been, particularly the DMR's and 3k which means he's going to have to give full effort in both.
I don't see a sit and kick happening in the 3k. Too many guys who won't want to let Ches sit around and drop a 25 FTW. Interestingly I don't think this is the best way for Ches to win the race. I think an honest pace helps him, his anaerobic systems will have already been tapped pretty hard but he won't have done much to his legs. Should be fun.
I think his best chance has to be the DMR. He's got other good legs and will be able to sit back and do what he does best, let others do the work (Not harping, I think its a great strategy and suits his running style well) until he thinks he can blow the doors off.
I think the Mile is where he loses. Ed had the chance to run much faster than 3:56 if he was ready to. Hell, that's only about a second or two faster than 2-4 of his teammates. But Soratos going 55 and closing like a man will be very difficult to combat, especially after Ed already having 2 races under his belt.