On Sun, 06 Jan 2008 10:58:55 -0500, Greg P wrote:

I think Canada and Mexico will need a different type. Like a Nexus

http://travel.latimes.com/articles/l...portcard2jan02


Q: Will there be new alternatives to the passport card?

A: Possibly. Several states, including Washington, Vermont, Arizona
and New York, are testing a driver's license with enhanced security
features, said Laura Keehner, spokeswoman for the U.S. Department of
Homeland Security.


Greg P


http://www.travel.state.gov/travel/c...bpmc_2223.html

Just some added info.