Dec 30

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It's a year that will be remembered as one that ended authoritative regimes in Tunisia, Egypt, Libya and Yemen. In 2011, the most-wanted fugitive in the world was killed in Pakistan and severe weather battered the global population.

A police crackdown on protesters in Cairo, during the second stage of Egypt's election, led to the most-violent episodes yet in the post-Mubarak era. Margaret Warner gets the latest from The New York Times' David Kirkpatrick, who has been covering…