Like any other games they played against, Rafael Nadal and Roger Federer played with so much intensity in last night’s Australian Open semifinal. But it was the Spanish Nadal who edged his great rival in four gripping sets, 6-7(5), 6-2, 7-6(5), 6-4. Federer has not beaten Nadal at a Grand Slam tournament since Wimbledon 2007. [...]