Can I renew a passport book that is not expired for a passport card and change the name?

I will be traveling this Feb 2011 to Mexico (cruise) and would prefer to renew my passport just in case of an emergency. I have two children whom will

Source: http://www.us-passport-service-guide.com/can-i-renew-a-passport-book-that-is-not-expired-for-a-passport-card-and-change-the-name.html

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