Sir, let's bring up the motion, and you can debate its constitutionality or its unconstitutionality.

CNN: Transcript: House debates articles of impeachment

Merkel and her people have cited the unconstitutionality of eurobonds, noting they go against the Maastricht treaty and their own law.

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In fact, the American constitution nowhere explicitly gives the Supreme Court the power to rule laws invalid because of their unconstitutionality.

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