AT&T wants to lure you in with a free Galaxy S7

Samsung's Galaxy S7 and Galaxy S7 edge may only just be making to stores, but that hasn't stopped early deals from springing up like AT&T's buy-one-get-one-free offer. The BOGOF promotion has been expanded to include the new Galaxy S7, assuming you're willing to take out at least one new line with the carrier. Basically, if you're an existing customer of …