"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

Earlier this year, the European Central Bank, headed by Mario Draghi, launched a bond-buying program to drive down interest rates and boost borrowing. Emmanuel Dunand/AFP/Getty Images hide caption

itoggle caption Emmanuel Dunand/AFP/Getty Images

Anne Koller closes her eyes as an oncology nurse attaches a line for chemotherapy to a port in her chest. Koller typically spends three to six hours getting each treatment. Sarah Jane Tribble/WCPN hide caption

itoggle caption Sarah Jane Tribble/WCPN

You don't need to run a marathon — or wear a gorilla suit — to get a discount on John Hancock's new life insurance program. But at least one of them may help. Rick Rycroft/AP hide caption

itoggle caption Rick Rycroft/AP

Depending on the amount taken in subsidies, or changes in reported income and family status, some Obamacare policyholders this year will get a bigger refund than expected and others will owe more in taxes. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

A little booze can't hurt: The Hy-Vee grocery chain has added a Market Grille to several of its locations in the Midwest and Great Plains. You can order drinks and dinner before or after you do your grocery shopping. Courtesy of Hy-Vee Market Grille hide caption

itoggle caption Courtesy of Hy-Vee Market Grille

Maranda Brooks stands in January outside a payday loans business that she used to frequent. Troubled by consumer complaints and loopholes in state laws, federal regulators are proposing expansive, first-ever rules on payday lenders, aimed at helping cash-strapped borrowers from falling into a cycle of debt. Tony Dejak/AP hide caption

itoggle caption Tony Dejak/AP

Tax preparation software doesn't always calculate the complexity of Affordable Care Act subsidies and credits properly. Daniel Acker/Bloomberg via Getty Images hide caption

itoggle caption Daniel Acker/Bloomberg via Getty Images

Known by the nickname "Wall Street," Curtis Carroll teaches financial literacy at the San Quentin Prison, helping inmates prepare for life after incarceration. Carroll, however, is serving a life sentence. Courtest of The California Department of Corrections and Rehabilitation hide caption

itoggle caption Courtest of The California Department of Corrections and Rehabilitation