Even fans of McKibben may not know that the founder of the 350.org environmental nonprofit is also a religious man.

"God gave me talent and I must make use of it to serve him," Ayman William said.

Pope Francis came to Egypt on Friday for a historic two-day visit aimed at presenting a united Christian-Muslim front to repudiate violence committed in God's name.

Celebrating Mass was wonderful the first time I did it 63 years ago. It is, if possible, even more wonderful today.

To take Holy Communion in the face of death is to say that it is fellowship, and not food, that matters most.