As I watched Adam Scott become the first Aussie to win the Masters (fighting off a game challenge from 2009 Masters champ Angel Cabrera of Argentina), it was unavoidable to think about the invaluable importance of experience.

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Scott Gration, Barack Obama's energetic new special envoy to Sudan, believes that the best chance of peace for this divided country remains the Comprehensive Peace Agreement (CPA) signed in 2005 between the Islamist government in Khartoum, in the north of the country, and the former rebels of south Sudan, who are quite separate from the Darfuris, and had been fighting their northern masters for most of the past half-century.

ECONOMIST: Sudan and Darfur

Ballesteros, who won the Masters twice and the British Open three times, is fighting brain cancer and was honored in absentia this week at the Masters dinner for former champions.

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