5. Pope Benedict XVI
Pope Benedict XVI leads the Ash service at the Santa Sabina Basilica on March 9, 2011 in Rome, Italy. Highest earthly authority for 1.1 billion souls, or one-sixth of world's population. Staunch traditionalist deplores secularism, consumerism and moral relativism, unbending on birth control, gay marriage and ordination of female priests. (Photo by Vatican Pool/Getty Images)