WASHINGTON (CNN) — CNN started 2008 with a political bang in the form of Ballot Bowl.

If you missed CNN's wall-to-wall political coverage Tuesday, the first Best Political Podcast of 2008 has highlights for you.

Senior Political Analyst Bill Schneider also reports on a new CNN/Opinion Research Corporation Iowa poll.

Former Senator John Edwards speaks with Wolf Blitzer about his chief rivals — Sens. Barack Obama and Hillary Clinton — and about the recent support Edwards received from Ralph Nader.

Finally, will the legalization of same-sex civil unions in New Hampshire have any impact on who turns out for the Granite State's first-in-the-nation primary on January 8? Brian Todd takes a look a week before the voting in New Hampshire.

Click here to subscribe to The Best Political Podcast.

–CNN Associate Producer Martina Stewart

Hillary Clinton, left, and Barack Obama are in a statistical dead heat in Iowa, according to a new poll.

DES MOINES, Iowa (CNN) — With two days to go until the Iowa caucuses, a new CNN/Opinion Research Corp. poll out Tuesday shows both the Democratic and Republican presidential nomination races tied at the top.

But with a quarter of all Democratic voters and nearly half of all Republican voters still making up their minds at this late stage, almost anything can happen Thursday night in the first contest for the White House.

Among Democrats, Sen. Hillary Clinton of New York wins the most support, with 33 percent of likely Democratic caucus-goers backing Clinton and 31 percent supporting Sen. Barack Obama of Illinois. But taking into account the survey's sampling error of 4.5 percentage points in the Democratic race, the race is virtually tied.

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