Steve Jobs may be quite the little chatty kathy with end users sending him emails, but his acquaintance, AT&T CEO Mr. Randall Stephenson is not. Engadget reader Giorgio Galante contacted Stephenson on two separate occasions. The first email asked Stephenson to shorten his contract length so he could upgrade sooner and to inquire on tethering options. His second letter wasn't nearly as cordial, voicing his extreme disgust for AT&T's new data plans and stating that he was taking his money to Sp...