I don't often expect to find myself supportive of President Barack Obama. But I didn't think I'd be as mystified by his actions over the past few months as I have been.

Mr. Obama and his team won a well-deserved reputation during the 2008 campaign for message discipline and a keen appreciation for how Americans would receive his words and actions.

That's why it's so surprising that, in just 20 months, Mr. Obama has lost control of his presidency's narrative. He has done things that are inexplicable, creating the impression of a White House that is clueless, rudderless and arrogant.

For example, what was to be gained by the president attacking the largely unknown House minority leader, John Boehner, last week? Set aside the unfairness of the charges and focus only on the efficacy of the president lowering himself that way.

Karl Rove, the former senior adviser and deputy chief of staff to President George W. Bush, is the author of "Courage and Consequence" (Threshold Editions, 2010). To continue reading his column in The Wall Street Journal, click here.

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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.