The Obama administration and foreign governments will roll out in the next few weeks a more intelligence-based system to try to stop potentially dangerous passengers from boarding U.S.-bound flights, a senior administration official said.

The new system is the product of a three-month review ordered by President Barack Obama after the attempted bombing of a flight to Detroit on Christmas Day. It will replace mandatory secondary screening for all passengers from 14 countries, including nations designated as state sponsors of terrorism and many Muslim-majority countries. That policy—widely criticized as too broad to be effective—was put in place shortly after the bombing attempt.

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