Will debris help narrow search for MH370?

Will debris help narrow search for MH370? More

Even though it seems more and more likely that the debris recovered on the island of Reunion is part of the missing Malaysia Airlines Flight MH370, many questions still remain. Judy Woodruff learns more from science correspondent Miles O’Brien and Van Gurley, whose company Metron helped investigators find Air France Flight 447 off the coast of South America.

AIR DATE 7/30/15