Did Wall Street make the next budget crisis worse?

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This could be the longest three months of the year for investors.

Washington's 11th-hour deal to avoid a U.S. debt default and get the government running again ends the most recent chapter of political dysfunction but hardly closes the book.

Straight ahead is a 90-day period in which three warring factions have to put together a lasting budget agreement or face another crisis similar—or perhaps worse—to the one just passed.

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