Sprint's talking about it, but AT&T's straight-up doing something about Verizon's plan adjustments this morning with a series of its own tweaks this afternoon. Starting Monday, January 18 (conveniently the same day that Verizon's changes go live), unlimited talk will run $69.99 on individual plans, a nice little cut of $30 against the $99.99 the carrier charges today; family unlimited, meanwhile, comes in at $119.99. Unlimited talk and text costs another $20 on top of unlimited talk alone -- no change from the current add-on pricing. Similarly, un
