After two and a half decades as a popular talk-show host, Winfrey will be making the risky transition from daytime leader to network co-owner and cable host come 2011.

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U.S. officials said Tuesday that Abu Yahya al-Libi, effectively the terror network's second-highest leader, was dead.

CNN: STORY HIGHLIGHTS

Marvell's networking ambitions ignited the ire of Broadcom, the leader in chips for network switches, modems and set-top boxes.

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