A man attends weekday Mass at the archdiocesan headquarters in Abuja, Nigeria, in this 2010 file photo. Over the last few years “Nigeria has been the most dangerous place in the world for Christians,” said a new report on persecution from Aid to the Church in Need. (CNS file photo/Nancy Phelan Wiechec) (Oct. 18, 2013) See PERSECUTION Oct. 18, 2013.