After decades as a popular talk show host, Oprah Winfrey will end her daytime program to concentrate on a new cable channel. Jeffrey Brown examines Winfrey's mark on the media landscape.

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After 23 years as a daytime talk show legend, Oprah Winfrey has announced she will be ending her program to concentrate on a new cable channel that will bear her name. Jeffrey Brown reports.

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Over the weekend, Oprah Winfrey threw her support behind Democratic candidate Barack Obama, while the GOP's Mike Huckabee has been enjoying a steady rise in the polls. Campaign reporters look at the latest developments in the presidential primary campaigns.

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As the Federal Communications Commission and anti-trust regulators scrutinize a proposed merger between XM and Sirius satellite radio, Gwen Ifill talks to a media analyst about the timing of the deal and its implications for satellite radio listeners.

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