Comcast (CMCSA) is buying Time Warner Cable (TWC) for $45 billion in a deal that will combine the country's two largest cable operators. In our poll today, we want to know: what does the Time Warner Cable/Comcast deal mean for customers? Cast your vote and post your comments below as well. Yahoo! Finance Senior Columnist Michael Santoli has some insight on how regulators are likely to respond to this massive cable consolidation, plus how the deal will impact consumers and investors in these companies.