Sarah Palin's book tour hits NC's Fort Bragg

Sarah Palin brought her book-signing tour to North Carolina's Fort Bragg on Monday as thousands greeted the former Republican vice presidential candidate in a campaign-like gathering that tested military rules involving politicians.

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David Weigel of the Washington Independent brings us a look at a possible Republican purity test that future candidates would be required to pledge to, if they expect to receive financial support from the Republican National Committee.

Rupert Murdoch is considering a tie-up with Microsoft which would see the technology group pay for exclusive rights to content from his stable of newspapers, including the Times and the Sun, to attract visitors to its Bing search engine. As part of the deal, Murdoch would prevent stories from his News Corp outlets appearing on rival Google News, despite the fact that the service provides the bulk of web traffic for sites such as ;www.genuineonlinebusiness.blogspot.com.