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For the 1 percent of users who woke up to a different Twitter experience Wednesday morning, it was probably the biggest change they have ever seen to the real time information service. Twitter has approximately 160 million users and there…

PRIMARY WINNERS AND LOSERS | Outsiders and tea party backed candidates posted victories in key primaries around the country on Tuesday. Political editor David Chalian reviews the winners and losers. WHAT DO PRIMARY RESULTS MEAN FOR MIDTERMS? | A…

AMERICAN RELEASED FROM IRANIAN PRISON | Sarah Shourd, one of three American hikers who were captured and accused of spying by Iran, was released from prison on $500,000 bail after being held for 410 days. Jeffrey Brown speaks with two…

THE DEBATE OVER TAX CUTS | For a few hours Sunday it appeared there might be compromise on whether to extend the Bush-era tax cuts for everyone except Americans making over $250,000. But House minority leader John Boehner later insisted…