My first comment on last night, and I pretty much agree with everything you've said, panic set in when they scored, and lasted for 35 minutes until Pep could get them in and have some words, he must have despaired about that first half (minus the first 10 minutes), and the way we played in the second half showed that we can control them.
Its still not certain, but I'm not sure we can stop them scoring, so we may need 5 in the second leg, a tough task, with them being where they are, but hopefully he'll use Monaco, to build them up for what can still be done.