You’d think that if you were the sole U.S. wireless provider for two of the most talked-about gadgets in the world, you’d be having a pretty good time right now. iPad sales are steaming, and it’s iPhone season again, so why doesn’t AT&T look like it’s having any fun? Well, along with the grumbling over the data cap it’s dumping on new customers, there was the perennial gripe about this year’s iPhone presentation — that it didn’t include a move to Verizon. That can’t do wonders for AT&T’s self-esteem.