ABOARD THE PAPAL FLIGHT FROM MEXICO - As the plane carrying him back to Rome from Mexico was flying over Texas, Pope Francis insisted building walls to keep immigrants out of one's country is un-Christian.

EL PASO, Texas - By the time the action started at the Sun Bowl Stadium Feb. 17 for the simulcast of Pope Francis' Mass from Ciudad Juarez, Mexico, scarcely a few hundred people had arrived.

ABOARD THE PAPAL FLIGHT FROM MEXICO - With physicians across Central and South American urging women to postpone pregnancy because of the Zika virus that causes birth defects, Pope Francis said using contraceptives could be a "lesser evil."

CIUDAD JUAREZ, Mexico - Speaking from the symbolic platform of the U.S.-Mexico border, Pope Francis pleaded for the plight of immigrants while warning those refusing to offer safe shelter and passage that their actions and inhospitable attitudes were bringing about dishonor and self-destruction as their hearts hardened and they "lost their sensitivity to pain."

CIUDAD JUAREZ, Mexico - At the border of Mexico and the United States, Pope Francis blessed a large cross in memory of all the people who have crossed the frontier.

CIUDAD JUAREZ, Mexico - God will hold humanity responsible for enslaving the poor and treating people as less important than profits, Pope Francis told Mexican workers and business leaders.