MEXICO CITY — Many Roman Catholics believe their church's future may well hinge on the ability of Pope Francis, an Argentine barely two months into his reign, to revive the faith in Latin America. That wager was underscored with Francis' canonization Sunday of two very different and long dead nuns — one Mexican and the other Colombian — who together enshrine the church's mission of both defending the faith and nurturing hope in the all but hopeless.

LONDON — “We don’t want to move out of here but we’re going to have to,” said Krissie Nicolson, 37, who has lived in the London borough of Hackney for 16 years. “I’ve got a master’s degree, for Christ’s sake. My friends work their fingers to the bone just to earn enough money to stay housed.” She is not alone.

LONDON — She wore high heels, shorts and a tan that’s impossible to achieve naturally in London in early May. He sported a blue suit and carried a small dog on his arm. “I think we could get away with a private jet, don’t you?” he said as they glided down the street, a snippet of overheard conversation in Knightsbridge, long one of London’s poshest districts. But its newest and possibly richest residents are changing its atmosphere.