The cost of searching for Flight 370

This picture taken in Tangerang on March 18, 2013 shows a Malaysia Airlines Boeing 737 plane flying over the Sukarno-Hatta airport in Tangerang. Malaysia Airlines is the flag carrier of Malaysia and operates domestic and international flights from its home base in Kuala Lumpur and secondary hubs at Kota Kinabalu and Kuching. AFP PHOTO / ADEK BERRY (Photo credit should read ADEK BERRY/AFP/Getty Images)

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    The cost of searching for Flight 370

After weeks of false leads, there's still no sign of Flight 370. Tom Foreman reports on the rising costs of the search.