Long-Held Hostages Rescued in Colombia.

CSIS Americas Program Director Peter DeShazo, who earlier this year published "Back From the Brink: Evaluating Progress in Colombia, 2000-2007" (.pdf file), will be online Thursday, July 3 at 11 a.m. ET to discuss the rescue of 15 hostages -- including three American contractors and a former Colombian presidential candidate -- from leftist guerillas after years of captivity.

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