Many experts say reducing mortgage principal can help troubled homeowners avoid foreclosure and stay in their homes. But the regulator who oversees two of the nation's largest mortgage holders, Fannie Mae and Freddie Mac, has rejected the idea. Justin Sullivan/Getty Images hide caption

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A construction worker carries lumber while working on new homes in San Mateo, Calif., in March. Homebuilding is at its highest level in nearly four years. Justin Sullivan/Getty Images hide caption

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Protesters from the Human Rights Campaign chant against Chick-fil-A President Dan Cathy's anti-gay marriage stance in front of a Chick-fil-A food truck in Washington, D.C., on Thursday. Kainaz Amaria/NPR hide caption

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London-based Barclays Bank agreed to pay a $453 million fine over charges it manipulated the London Interbank Offered Rate — LIBOR — a key global interest rate. Oli Scarff/Getty Images hide caption

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Federal Reserve Chairman Ben Bernanke appears before the House Financial Services Committee July 18. Economists expect Fed policymakers to consider further steps to boost growth when they meet next week. J. Scott Applewhite/AP hide caption

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