Sagan powers to world championship title

By Steve Keating RICHMOND, Virginia (Reuters) - Slovakia's Peter Sagan emerged from the pack in the final climb up the cobbles and then powered his way to a spectacular victory at the road cycling world championships on Sunday. Long hailed as cycling's next big thing, Sagan hid in the bunch for most of the punishing 261.4km race, then lived up to his promise as he pulled away and held on for a three-second win over Australian Michael Matthews, according to unofficial results. As he crossed the f