Peter Brabeck-Letmathe, CEO of the world's leading Swiss food company Nestle, attends a session 'The Challenges Confronting World Trade Liberalization' at the World Economic Forum (WEF) in Davos January 25, 2007. The annual meeting of the WEF takes place from January 24 to 28 in the Alpine resort of Davos, Switzerland, attended by top politicians, monetary policymakers and senior business executives. REUTERS/Pascal Lauener (SWITZERLAND)