Do I need to renew my passport before my trip?

Question: My U.S. passport will expire on 19 Feb, 2012, I'm planning a trip to Hong Kong, China. Can I depart on 20 Nov, 2011 and return on 14 Dec, 2011?

Source: http://www.us-passport-service-guide.com/do-i-need-to-renew-my-passport-before-my-trip.html

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