With that said, you may have read recently that our Administrator is looking into ways to move past the cookie cutter approach to screening.

FORBES: TSA Reconsiders Invasive Patdowns of Children

He said that targeting the tests at men who have a higher risk of developing prostate cancer might be a better approach than screening all men.

BBC: Lifetime risk of prostate cancer 'has trebled'

The EU takes a more aggressive approach to screening individual carriers and has banned more than 280 airlines from 25 nations from operating within the EU since 2006.

CNN: How do you know your airline is safe?

The gene-based technique marks a new approach toward cancer screening, and specialists are watching closely.

NPR: Retooling Pap Test To Spot More Kinds Of Cancer

Soule said the more pragmatic approach to security screening was also reflected in new approaches to young and elderly passengers.

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Susan Collins of Maine said she would support the compromise because it exempted private family gun transactions from needing a background check, calling it a "commonsense approach" that required the screening only for commercial transactions.

CNN: Senate gun law proposal lacks enough support now