Pope too energetic for his aides on Brazil tour

Pope Francis’s relentless pace on his tour of Brazil is wearing out his aides.

The 76-year-old Argentine Jesuit, who lost most of one lung following an infection in his youth, has been acting like a man half his age during his first international trip as pope, adding in events at the last minute to his already full schedule and gamely going with the flow after heavy rains forced major changes in the World Youth Day agenda.