Russian President Vladimir Putin and three Western European leaders have called on Syria to withdraw its troops form Lebanon. Mr. Putin, French President Jacques Chirac, German Chancellor Gerhard Schroeder and Spanish Prime Minister Jose Luis Rodriguez Zapatero issued the call Friday after a round of talks in Paris. During a joint news conference, Mr. Chirac also repeated his call for French voters to endorse the proposed EU Constitution in a May 29th referendum. A poll Thursday for the first time showed a majority of French voters opposing the constitution. The Russian and French leaders held one-on-one talks and visited an air force facility near Paris before Mr. Schroeder and Mr. Zapatero joined them later in the day. All four leaders opposed the war in Iraq. Mr. Zapatero withdrew his country's contingent from Iraq after taking over last year from a government that had backed the U.S.-led Iraqi operations.