IRVING - Leave it to tough-talking LB Keith Brooking to downplay the Cowboys' three-game winning streak. "Everybody's going to be drinking the Cowboy Kool-Aid here and telling us how great we are and how good we're doing," Brooking said after Sunday's rout of Seattle. "But we have a long ways to go and a lot of football to play." Brooking is right. Forget the Atlanta game. Sunday night in Philadelphia is when we learn whether this team is for real. The ...