Nation

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"The Onion News Network," a 30-minute, weekly television program, will debut on IFC on Friday. The show comes on the heels of "SportsDome," which premiered on Comedy Central and satirizes the round-the-clock coverage of sports channels like ESPN.

Many consider the sinking of the South Korean Navy ship Cheonan on March 26, 2010 as the start of the latest bout of North-South friction. The NewsHour visited the ship in drydock 10 months later.

TUNISIA UPHEAVAL | Amid demonstrations unprecedented during his more than two decades in office, authoritarian Tunisian President Zine al-Abidine Ben Ali was forced to step down as thousands converged on the interior ministry building in the capital of Tunis.