It's going to be very tough without Walcott in particular, he's the only one that's ever prepared to run in behind. Arshavin does it sometimes but other than that we will probably struggle to break Barca down. Like Wenger said though, every game from now until the end of the season will be like a cup game, even the league games we can't afford to drop silly pointsnow like we have throughout the season. Really against Barca we just have to give it a go and go for the away goals, when we sit back and just try to defend we can't even hold onto 4 goal leads, let alone a narrow 1 goal lead against the best team in the world.