Sensing his purpose was not clear, I challenged him to think more deeply and fundamentally about his business.

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Sitting right behind him, in the next row back, I challenged him on the case, asking what he would do if the company were broken up.

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"I called the journalist who first wrote this and challenged him to show proof, " he says.

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And just as he challenged the Army to embrace new doctrine and tactics, I expect him to push all our forces to continue adapting and innovating to be ready for the missions of today and tomorrow.

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