DENVER - ? President Barack Obama and Mitt Romney are neck-and-neck in the polls going into tonight's big debate. The debate will be the first time the American people can size up the two candidates and form opinions about who is better to run the country.

The focus tonight is the issue that has dominated this election season: the economy.Both sides have been preparing. Some say Romney may have the advantage because he had practice during the primary season. Obama hasn't debated in four years. On the other side, Obama advisors say the president has the one-up and the debate will put pressure on his challenger.