VATICAN CITY, October 25 (Reuters): Pope Francis named 13 new Roman Catholic cardinals on Sunday, including nine who are eligible to enter a conclave to elect his successor after his death or resignation. The new cardinal electors, whom the pope listed in a surprise announcement while addressing pilgrims from his window overlooking St. Peter's Square, include Archbishop Wilton Gregory of Washington D.C. He will become the first African-American to hold the rank. The