SAN FRANCISCO - JUNE 11:  Department of Homeland Security secretary Janet Napolitano (R) looks at a security checkpoint with TSA Director of Screening Kevin Sprouse at San Francisco International Airport June 11, 2009 in San Francisco, California. Secretary Napolitano announced that the San Francisco International Airport has signed an agreement with to receive over $15 million in American Recovery and Reinvestment Act funding to build a new inline baggage handling system at the airport which will expedite baggage handling and increase security. Getty Images logo Getty Images 5 months ago

SAN FRANCISCO - JUNE 11: Department of Homeland Security secretary Janet Napolitano (R) looks at a security checkpoint with TSA Director of Screening Kevin Sprouse at San Francisco International Airport June 11, 2009 in San Francisco, California. Secretary Napolitano announced that the San Francisco International Airport has signed an agreement with to receive over $15 million in American Recovery and Reinvestment Act funding to build a new inline baggage handling system at the airport which will expedite baggage handling and increase security.