Neither of which we seem to have these days 7 . As any student of sociology or statistics can assure you, the answers you get from any general survey are based on what questions you ask, how you ask them, who you ask, and how you display the results on the graph. Statistics say what you want them to say. It looks like junk mail, or your tax booklet. Every registered candidate for every office available for your voting district, their party, and brief resume are listed in there.
Most people use it to mop up spilled coffee.
It's a lot more useful in the long run if you actually read it. Watch some of the debates, read Newsweek, USA Today, Wired, Rolling Stone, the New Yorker, Wall Street Journal, etc. The Internet is also great resource. Click Here for some suggested sites. Most media sources, even the alternative ones, have a certain editorial bias, and possibly even an agenda.