U.S. to Spend Billions More to Alter Security Systems

You'd think that we would be better advanced in this area:
>WASHINGTON, May 7 - After spending more than $4.5 billion on screening devices to monitor the nation's ports, borders, airports, mail and air, the federal government is moving to replace or alter much of the antiterrorism equipment, concluding that it is ineffective, unreliable or too expensive to operate.