Actually that's what Conte meant, Barca is doing well because they play great possession thus it doesn't matter if the individual players are not good at defending as long as they make the system to work to their strength. So Conte is right.
I noticed how many have been bashing Ziegler's signing, i admit me too prefer to have Cissokho compared to him, but some of you are making him look extremely bad when he is not. Ziegler is part of a solid Switz defense that was the only nation to stop Spain from scoring in WC 2010. He was also part of the Samp defense whom had the 3rd best defense in 2009/2010 season. And that defense conceded 15 goals less than us that season. Even during Capello days we didn't have an all star defense, we still had Zebina as our starter back those days. Defending is part of a team, and even with Ziegler, if the defensive system is working as a unit, we can have a rock solid defense. Rather than addressing the LB situation any more futher, its the CB that we need to fix. We do not have a real defensive organizer at the back . Someone who commands the defense line, that's what we need to have good defense. Chiellini is no defensive organizer and Bonucci have alot of convincing to do. A top notch leader and organizer in defense is what we need.