Catholic News Service PHOTO
  A woman in Mexico peers through the slats of the border fence as a group of U.S. bishops celebrate Mass in Nogales, Ariz., April 1. About a dozen bishops took part in a two-day visit to the border with Mexico calling attention to the plight of migrants and appealing for changes in U.S. immigration policy. (CNS/Nancy Wiechec)
 
  A woman in Mexico peers through the slats of the border fence as a group of U.S. bishops celebrate Mass in Nogales, Ariz., April 1. About a dozen bishops took part in a two-day visit to the border with Mexico calling attention to the plight of migrants and appealing for changes in U.S. immigration policy. (CNS/Nancy Wiechec)