President Obama signs the financial reform bill into law in 2010 as Vice President Biden and lawmakers look on. Chip Somodevilla/Getty Images hide caption

Stacey Ferguson, Corie Driscoll and Angela Tilghman participate in a round table discussion about parenting hosted by Michele Norris at NPR's headquarters in Washington, D.C. Emily Bogle/NPR hide caption

Snake charming is a dying art in India. Here, a man named Buddhanath is shown at a New Delhi market during Nag Panchami, the yearly religious festival in honor of the king cobra. The charmer plays a gourd flute and his snake responds. Corey Flintoff/NPR hide caption

Gold futures climbed above $1,700 an ounce Monday as investors eyed the precious metal as a safe haven from declining stock markets. David McNew/Getty Images hide caption

Adm. Eric Olson, former commander of the U.S. Special Operations Command, testifies before the House Armed Services Committee in 2009. Tim Sloan/AFP/Getty Images hide caption

In the beginning, the rating agencies were all about trains. William England/Getty Images hide caption

Katz took an advanced physics class at Stony Brook University. He cherishes this page of his notebook, when his professor began teaching about electromagnetism. Ari Daniel Shapiro hide caption