John Walker says individual mandate isn’t necessary (Fire Dog Lake) [http://fdlaction.firedoglake.com/2010/01/05/achieving-near-universal-coverage-evaluating-single-payer-employer-mandate-and-individual-responsibility-models/] Is healthcare reform constitutional? (UPI) [http://www.upi.com/Top_News/US/2010/01/03/US-Supreme-Court-Is-healthcare-reform-constitutional/UPI-66781262506740/]