Cable news used to be so simple. There was CNN and not much else. But as CNN proved the case that people did have an appetite for TV news around the clock, more stations popped up on the cable dial, including CNN Headline News and the more opinionated Fox News and MSNBC. You’d think that might be enough, but not for international networks such as Al Jazeera and the BBC, which are pushing hard to enter the U.S. market. So which one is your favorite? Which one can’t you live without? Vote in our year-end poll, and add your detailed comments below.