Travel Detective - Hidden Gems of North Lake Tahoe

CBS News Travel Editor Peter Greenberg reveals his hidden gems of North Lake Tahoe, and explains why this is one of the best places for adventure in the great outdoors. Plus, a report from Thailand about a hotel chain that is stepping up to fight child prostitution, child labor and sexual trafficking. And, an inside look at what really happens to a cruise ship during drydocking, and the remarkable transformation it undergoes.

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