An Iran Air Boeing 747 passenger plane sits on the tarmac of the domestic Mehrabad airport in the Iranian capital Tehran in 2013. Behrouz Mehri /AFP/Getty Images hide caption

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Behrouz Mehri /AFP/Getty Images

A box of Lumigan eye-drops, produced by Allergan Plc, stands next to a box of Viagra tablets, produced by Pfizer Inc. The Irish and American drugmakers were planning to merge, but the deal has been called off after a change in U.S. tax law reduced the potential benefits. Bloomberg via Getty Images hide caption

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Bloomberg via Getty Images

Pfizer is now based in New York City, but the drug giant's domicile would be moved to Ireland under the terms of its proposed merger with Allergan. Mark Lennihan/AP hide caption

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Mark Lennihan/AP

The next generation of Australian dollar notes will include tactile features to help people with visual impairments differentiate between them, says the Reserve Bank of Australia. Last year, the agency met with a boy who started a petition asking for the change. Torsten Blackwood/AFP/Getty Images hide caption

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Torsten Blackwood/AFP/Getty Images

Against 'Islamic State' Militants, Treasury May Need To Try New Tools

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Jack Lew has been nominated to be the next Treasury secretary. Mandel Ngan /AFP/Getty Images hide caption

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Mandel Ngan /AFP/Getty Images

President Obama announces nomination of Jack Lew for Treasury

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