Senator Elizabeth Warren ... believes the most important [problem] to solve is how to get the American economy working for someone other than billionaires. It's a message she's been taking all over the country, and she isn't afraid to call banks, credit card companies and some employers cheats and tricksters. The biggest financial institutions figured out they could make a lot of money by cheating people on mortgages, credit cards and payday loans," she told a packed auditorium at the Graduate Center of the City University of New York, where she spoke alongside New York Times columnist Paul Krugman. The biggest applause of the night was on three issues that come up frequently in Warren's speeches. 1) Financial regulation: Warren was the driving force behind the creation of the Consumer Financial Protection Bureau after the 2008 financial crisis. The agency has returned billions of dollars to Americans who were wronged. 2) Reducing student loans: Last summer Warren made headlines for arguing that student loans should have the same interest rates that banks get when they borrow money from the Federal Reserve. As she likes to remind people, "Student loans issued from 2007 to 2012 are on target to produce $66 billion in profit for the United States government." 3) Raising the minimum wage: "No one should work full time and still live in poverty," Warren said. Her other big push is for basic worker rights.