Not easily, at all.
Anyone bettering either way with certainty doesn't know what they're talking about, both consoles have shown they can be ahead and we're very early in the gen. PS4 isn't hugely ahead either.
Its going to be so easy. Ps4 is currently winning, it will win Februry, it will win March, etc. Then comes the holidays, uncharted bundle price drop and its over. Sony wont make the same mistake of not doing anything during the holidays so the gap will less than last year in favor of xb1. The age of US being xbox land is over.