Workers unload medical supplies to fight the Ebola epidemic from a USAID cargo flight in Harbel, Liberia, in August. John Moore/Getty Images hide caption

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Millions watched President Obama's prime-time address this week, like these patrons of a San Francisco nail salon. But whether Americans will support his plan remains unclear. Justin Sullivan/Getty Images hide caption

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Gov. Scott Walker answers questions while celebrating the growth of local software company Forte Research Systems. He announced the company is adding 55 jobs with the help of a state loan. Scott Bauer/AP hide caption

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President Obama meets with Attorney General Eric Holder in the Oval Office of the White House on Monday. Holder is traveling to Ferguson, Mo., where a federal investigation is under way in the police shooting of Michael Brown, a black teenager who was unarmed. Charles Dharapak/AP hide caption

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President Obama pauses while speaking Thursday about the situation in Ferguson, Mo., during his family vacation on Martha's Vineyard. Jacquelyn Martin/AP hide caption

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Ireland (shown here in this Dingle Peninsula photo) has been among the greenest pastures for countries seeking to reduce their tax liabilities through a process called "corporate inversion." iStockphoto hide caption

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