Sweating bullets over network saturation, are we? AT&T's obviously taking a good helping of heat today over Sling's rock-and-a-hard-place decision to remove 3G streaming capability from its SlingPlayer Mobile build for the iPhone -- a decision that gets at the very heart of several hot-button issues plaguing AT&T and Apple alike -- and the carrier understandably felt the need to release an official statement to address the situation. Unfortunately, it prompts as many questions as it offers answers. It starts off simply enough, stating that apps like SlingPlayer could create congestion on the network that denies services to others -- and while a truly trivial number of users own Slingboxes, we understand what they're getting at; no amount of tweaking or fudging of a modern HSPA network can withstand the traffic onslaught ge