This morning, President Barack Obama signed the health care reform bill into law. As promised, Texas Attorney General Greg Abbott joined 12 other attorneys general in promptly filing a lawsuit challenging the law's constitutionality.

Here's a list of the attorneys general involved and the states they represent:

Bill McCollum, Florida

Henry McMaster, South Carolina

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Jon Bruning, Nebraska

Greg Abbott, Texas

Mark L. Shurtleff, Utah

James D. “Buddy” Caldwell, Louisiana

Troy King, Alabama

Michael A. Cox, Michigan

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John W. Suthers, Colorado

Thomas W. Corbett, Jr., Pennsylvania

Robert M. McKenna, Washington

Lawrence G. Wasden, Idaho

Marty J. Jackley, South Dakota

Peruse the lawsuit here:

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