MADRID, Jan 9 (Reuters) - Cristiano Ronaldo was the decisive figure for the second time in four days as he scored a hat-trick to lead Real Madrid to a 4-0 victory over Celta Vigo that put them in the quarter-finals of the King's Cup on Wednesday. The Portugal forward, runner up to Lionel Messi in Monday's World Player of the Year awards, netted twice inside the first 25 minutes at the Bernabeu as they sought to overturn a 2-1 first-leg deficit. ... More...