Financial documents, released under pressure, dominated the Republican presidential campaign Tuesday. Hours after Newt Gingrich released a disputed Freddie Mac employment contract, rival Mitt Romney released two years of income tax returns. Jeffrey Brown reports. Then, Judy Woodruff and guests…

Robert Frank: Why has Apple restricted its popular iPhone to just a single wireless network in both the United States and the United Kingdom? Apple was shrewd to take this step. When it first hit the market in the…

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