VATICAN CITY (Reuters) - Pope John Paul, marking the anniversary of the attacks on U.S. cities, branded terrorism "ferocious inhumanity" but asked for prayers that God would show mercy and forgiveness for the attackers. The pope also urged the world to change in situations of injustice that spurred the desire for revenge. "We pray for the victims today, may they rest in peace, and may God show mercy and forgiveness for the authors of this horrible terror attack," he said in Polish, according to a translation provided by Vatican Radio. The pope was speaking in unscripted remarks in Polish during...