Canadian Cardinal Thomas Christopher Collins walks through Saint Peter's square at the Vatican March 10, 2013. Roman Catholic cardinals will enter a conclave to elect a successor to Pope Benedict on March 12, the Vatican said on Friday, with no clear favorite emerging so far to take charge of the troubled Church. REUTERS/Paul Hanna (VATICAN - Tags: RELIGION) Published: Bře. 10, 2013, 11:08 dop. | Foto: Reuters