The requirement for a passport at all US borders is an issue local commerce between Washington State and Canada, and the new driver's license is less expensive then a passport, but what "other" costs will it create?"They will look much like conventional driver's licenses, but will be loaded with proof of citizenship and other information that can be easily scanned at the border."
Today's scientific question is: What in the world is electricity? And where does it go after it leaves the toaster? -- Dave Barry, "What is Electricity?"