(19 Feb 1998) Spanish/Nat Colombian President Ernesto Samper announced this week that he will not withdraw any troops from five guerrilla strongholds, -- a condition imposed by the FARC guerrilla group to start peace negotiations. With only months left until the presidential elections, it is unlikely that Samper will be able to take the peace process to its ultimate conclusion. Colombian president Ernesto Samper, said Tuesday that he would not bend to the demands of the rebel Colombian