With 26 days until the midterms, Americans are understandably focused on the election. But it’s not too early to begin thinking about what happens after the ballots are counted.

Virtually all observers agree that President Obama will face a Congress with more Republicans and fewer Democrats. The GOP will keep control of the House and either win the Senate or come very close.

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Even Mr. Obama, a man abnormally detached from reality, must understand this. When his party loses ground, and especially if it loses the Senate, will he spend two more years polarizing Washington, attacking Republicans’ motives, complaining about GOP obstructionism, and circumventing Congress in lawless, even unconstitutional, ways?

Or will Mr. Obama try to salvage his presidency by doing what other presidents -- Ronald Reagan, Bill Clinton and the two Bushes -- did after electoral setbacks, which was working with the opposition party?

To continue reading Karl Rove's column in the Wall Street Journal, click here.

Karl Rove joined Fox News Channel as a political contributor in February 2008. He also currently serves as a columnist for the Wall Street Journal. Mr. Rove helped organize the political-action committee American Crossroads. His latest book is "The Triumph of William McKinley: Why the Election of 1896 Still Matters" (Simon & Schuster, 2015). Follow him on Twitter @KarlRove.