TARP as passed was indeed constitutional. The problems came with how it was implemented, by favoring large banks and buddies to Obama like GM. http://www.marketwatch.com/video/asset/was-tarp-constitutional/570E1B20-06C0-4D11-A6F1-F992B75EA57D#!570E1B20-06C0-4D11-A6F1-F992B75EA57D