Technically, you don't have to show and ID when using a credit card and they can't require it. See here: http:http://consumerist.com/2008/07/10-things-you-might

Technically, you don't have to show and ID when using a credit card and they can't require it. See here: http:http://consumerist.com/2008/07/10-things-you-might-not-know-about-your-credit-card.html http://consumerist.com/2008/07/10-things-you-might-not-know-...