Cardinal Luis Antonio Tagle gestures as he answers questions during a leaders forum in Quezon City, Metro Manila February 17, 2013. Tagle, 55, who became a cardinal in November 2012, is among those mentioned as possible successors of Pope Benedict XVI, who surprised the world on February 11 when he announced his resignation due at the end of the month. REUTERS/Cheryl Ravelo (PHILIPPINES - Tags: RELIGION)