Why Rory McIlroy's dramatic win is making headlines

<p>Rory McIlroy became just the fourth man to win back-to-back Masters with his victory at Augusta National on Sunday. CNN's Don Riddell breaks down the historic win and what it means for the Northern Irishman's legacy. Discover more videos, including live streams and exclusive storytelling, on our <a href="http://cnn.com/watch">Watch</a> page.</p>