Key Questions From the G-20 Summit

G-20 finance ministers must decide what to do about trade tensions, consumer spending, housing prices, and global coordination

There are (at least) five fundamental questions that went unanswered at this past weekend's G-20 summit in Washington. In their attempt to show solidarity, the world leaders skipped over the complicated and contentious questions. But that's no long-term solution. Once they go home to their respective capitals, the finance ministers and other officials who met in Washington are going to be forced to make some tough decisions. Here are five puzzlers that will demand to be sorted out in the months ahead:

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