The attack on ObamaCare was that Congress does not have the power under the Commerce Clause to force a private citizen into a private contractual relationship. If such a thing is permitted to stand the anti-ObamaCare forces argue there will be no limit to Congress's power in the future.

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Formulate and stamp indelibly on your mind a mental picture of yourself as succeeding. Hold this picture tenaciously. Never permit it to fade. Your mind will seek to develop the picture... Do not build up obstacles in your imagination.