From right, General Secretary of the Lutheran World Federation Rev. Martin Junge, Pope Francis and Lutheran federation president Bishop Munib Younan wave as they arrive for an ecumenical event at the Malmo arena, Sweden, Monday, Oct. 31, 2016. Francis traveled to secular Sweden on Monday to mark the 500th anniversary of the Protestant Reformation, a remarkably bold gesture given his very own Jesuit religious order was founded to defend the faith against Martin Luther's "heretical" reforms five centuries ago. (AP Photo/Andrew Medichini)