Catholic News Service PHOTO
  Muslims take part in prayers during Ramadan at a mosque in Abuja, Nigeria, July 31. As a sign of his
 
  Muslims take part in prayers during Ramadan at a mosque in Abuja, Nigeria, July 31. As a sign of his "esteem and friendship," Pope Francis said he personally wanted to write this year's Vatican message to Muslims about to celebrate the end of their monthlong Ramadan fast. (CNS/Reuters)