Singapore's President Tony Tan Keng Yam speaks with Portugal's Prime Minister Pedro Passos Coelho (R) at Sao Bento palace in Lisbon May 5, 2014. Tan is on an official two-day visit to Portugal. ... more 
Singapore's President Tony Tan Keng Yam speaks with Portugal's Prime Minister Pedro Passos Coelho (R) at Sao Bento palace in Lisbon May 5, 2014. Tan is on an official two-day visit to Portugal. REUTERS/Rafael Marchante (PORTUGAL - Tags: POLITICS) less 
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Reuters | Photo By RAFAEL MARCHANTE / REUTERS
Mon, May 5, 2014 9:05 AM EDT