TOPSHOT - Pope Francis prays besides crosses on a platform in Mexico those who died trying to cross the border at El Paso, Texas on February 17, 2016.
Throngs gathered at Mexico's border with the United States for a huge mass with Pope Francis highlighting the plight of migrants -- a hot-button issue on the US presidential campaign trail. / AFP PHOTO / MARK RALSTON        (Photo credit should read MARK RALSTON/AFP/Getty Images)