As the US national debt debate fades in the background of Wall Street, another issue comes into forefront: the state of the world economy: Half of Europe is already in recession and the other half struggles to stay afloat.

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It is part of his efforts to contrast his own blue-collar roots with Romney's personal wealth and Wall Street background.

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If it's a text post, the author's larger wall photo appears faintly in the background.

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Even though the Australian press was able to sketch his background 18 months ago (borrowing on some Wall Street Journal reporting), Liu acquired a major stake in two overseas Aussie ventures, Sundance Resources and Moly Mines, and this week turned out not well for all of them.

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As background, Koppisch brings 25 years in journalism, including editing in and about Asia for the Wall Street Journal and BusinessWeek, to his work.

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