"There are two ways to go forward from here, and history shows this," Martin O'Malley said of the two parties' approaches to fixing the economy. "One path is a sensible rebalancing that calls us back to our tried and true success story as the land of opportunity. The other is pitchforks." Ariel Zambelich/NPR hide caption

itoggle caption Ariel Zambelich/NPR

Republican presidential hopeful Sen. Ted Cruz speaks at the Republican Leadership Summit Saturday in Nashua, N.H. Jim Cole/AP hide caption

itoggle caption Jim Cole/AP

Declared and potential candidates are already in New Hampshire. Former Florida Gov. Jeb Bush and others spoke at the First in the Nation Republican Leadership Summit this week in Nashua. Darren McCollester/Getty Images hide caption

itoggle caption Darren McCollester/Getty Images

Former Maryland Gov. Martin O'Malley, a Democrat who is considering a 2016 presidential campaign, is interviewed by NPR's Steve Inskeep. Ariel Zambelich/NPR hide caption

itoggle caption Ariel Zambelich/NPR

Reporters and campaign staffers rush to their cars to get to Hillary Clinton's first Iowa campaign stop. Tamara Keith/NPR hide caption

itoggle caption Tamara Keith/NPR

Hill staffers and PGA professionals mingle Wednesday at this year's National Golf Day event on Capitol Hill, which included an annual Democrats versus Republicans putting challenge. Emily Jan/NPR hide caption

itoggle caption Emily Jan/NPR

"We need to fix our dysfunctional political system and get unaccounted money out of it, once and for all, even if that takes a constitutional amendment," Hillary Clinton said at Kirkwood Community College in Iowa Tuesday. Michael B. Thomas/AFP/Getty Images hide caption

itoggle caption Michael B. Thomas/AFP/Getty Images