"Starving rail of funding will not enable safer train travel," Rep. Nita Lowey, D-N.Y., told the House Appropriations Committee Wednesday. Rep. Mike Simpson, R-Idaho, admonished Democrats: "Don't use this tragedy in that way," he said. "It was beneath you." Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images

A customer fuels his car at a gas station in Pembroke, Mass. Economists say Americans have been slow to spend the money they saved from lower energy prices. Stephan Savoia/AP hide caption

itoggle caption Stephan Savoia/AP

Some auto insurance companies could be using a tactic called "price optimization" to charge loyal customers a higher premium. iStockphoto hide caption

itoggle caption iStockphoto

A photo released by Tesla shows its new Powerwall lithium-ion battery pack mounted on the wall (left) of a garage behind one of the company's electric cars. Tesla Energy hide caption

itoggle caption Tesla Energy

Aetna announced one of its largest pay hikes recently. CEO Mark Bertolini says he believes it largely could pay for itself by making workers more productive. Courtesy of Aetna hide caption

itoggle caption Courtesy of Aetna

People line up to visit St. Peter's Basilica at the Vatican. Although flights to Europe remain expensive, the falling euro is still leading to a surge in American tourists visiting Europe. Andrew Medichini/AP hide caption

itoggle caption Andrew Medichini/AP

The headquarters of Deutsche Bank in Frankfurt. Germany's largest bank has been hit with a $2.5 billion fine for manipulating a key interest rate. Seven other banks in various countries have also been fined in the far-reaching scandal. Michael Probst/AP hide caption

itoggle caption Michael Probst/AP

Labor Secretary Thomas Perez says proposed rules for financial advisers are meant to protect consumers. Nick Ut/AP hide caption

itoggle caption Nick Ut/AP

"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

Apps like Venmo promise easy, carefree money transfers between friends. Noah Nelson/Youth Radio hide caption

itoggle caption Noah Nelson/Youth Radio