Pope Benedict led Roman Catholics into Holy Week celebrations, telling a Palm Sunday crowd that man will pay the price for his pride if he believes technology can give him the powers of God. Under a splendid Roman sun, the German pope presided at a colourful celebration where tens of thousands of people waved palm and olive branches to commemorate Jesus’ entry into Jerusalem the week before he was crucified. The pope, who turned 84 on Saturday, wove his sermon around the theme of man’s relationship with God and how it can sometimes be threatened by technology. “From the beginning...