Cord cutters, beware: AT&T’s DirecTV buy affects you, too

Having cut the cable cord, you may glance at the current landscape of big cable providers snapping up slightly-less-big-though-still-large rivals and decide that these megadeals have nothing to do with you. After all, you’re getting your entertainment from other sources—over-the-air antennas, online streaming services, and the like. What’s it matter to you if AT&T buys