The US wasn't able to convince its own citizenry to adopt biometric national ID cards, but as of next year, foreigners seeking to enter the US will have to produce governmental ID with a fingerprint or retinal scan.
Under the USA Patriot Act, passed by the U.S. Congress after the Sept. 11, 2001 terrorist attacks, all Canadian citizens and landed immigrants will need ID with either a fingerprint or an eye scan to get into the U.S.