They were signed "I am KC and I approve this message, " a source told CNN.

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The letters were signed, "I am KC and I approve this message, " the source said.

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Senator NORM COLEMAN (Republican, Minnesota): I approve this message because outrage isn't leadership.

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Representative TOM TANCREDO (Republican, Colorado): Hi, I'm Tom Tancredo and I approve this message because someone needs to say it.

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" Both were signed, "I am KC and I approve this message.

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