The Democratic U.S. Senate primary contestants–appointed Senator Michael Bennet and former Colorado House Speaker Andrew Romanoff–took to the airwaves Sunday with YourShow host Adam Schrager and Denver Post reporter Allison Sherry.

The economy, foreign policy, health care reform, negative campaigning/candidate differentiation, and campaign finance (especially PAC money) featured heavily in the exchange at a rare head-to-head debate.

Bennet is seeking election in his own right after Gov. Bill Ritter appointed him to the U.S. Senate in 2009 following former Sen. Ken Salazar’s elevation to be President Obama’s Secretary of the Interior.

Bennet and Romanoff are in an increasingly tightening race. While Bennet held double-digit leads through the early summer, the most recent polls put Romanoff within striking distance of Bennet, moving him to within the margin of error in both an independent poll and one commissioned by 9NEWS and the Denver Post by Survey USA. Romanoff leads Bennet 48-45 in the Survey USA poll released August 1.

Here’s the debate, in three parts, courtesy of YourShow: