O'Malley swipes at Sanders in Iowa. [View all]

"I don't think it's a problem for the Democratic Party, but it might be a problem long-term for Sen. Sanders," O'Malley said when asked whether Sanders's self-declared socialism would be a problem.

Asked what he meant, O'Malley took another dig at the Vermont senator, suggesting that Sanders joined the Democratic Party just to run for president.

"I am a lifelong Democrat and I believe very deeply in the principles of our party. I believe very deeply in what Franklin Roosevelt was about, what John Kennedy was about, and that's why I choose to be a Democrat, not just in presidential years, but all the years of my life," O'Malley said.

http://www.wdsu.com/politics/omalley-swipes-at-sanders-in-iowa/34708786