DirecTV (NYSE:DTV) reports earnings tomorrow, and while Motley Fool analyst Bill Barker expects that the numbers will be good, in the following video from Wednesday's Investor Beat, he discusses that the real reason he'll be watching closely tomorrow will be to listen for the commentary around the Comcast (NASDAQ:CMCS.A) merger with Time Warner Cable (NYSE: TWC), to see what insights can be gained about the new giant on the block.