"During the trials, passengers will be able to opt out. But a DHS assessment of the privacy impact indicates that won't always be the case.
"The only way for an individual to ensure he or she is not subject to collection of biometric information when traveling internationally is to refrain from traveling," says the June 12 document on the website of Customs and Border Protection, which runs the DHS program...
Such concerns shouldn't stop the government from moving ahead with the program and U.S. citizens have already sacrificed considerable privacy as the price of fighting terrorists, said Dan Stein, president of the Federation for American Immigration Reform, which promotes restrictions on immigration.
He called it a "moral and security imperative."
