Well whatever, look Leicester are top of the prem right now and if I'd have called that at the beginning of the season people would have called me mad. So in that same vein I feel like we have a half-decent chance of a win against Barca. Its not anywhere near "odds-on" but if we work hard we can get a result.
I don't care what people think of Wenger, he's our manager and I treat management like playing staff and back them.