The Supreme Court's ruling on the Affordable Care Act, issued today, proves that sometimes the old cliché really is true: you can't tell the players—or how they voted—without a scorecard. In the slide show, we've broken down the vote of each Justice. Did the Justice feel that the A.C.A.'s individual mandate was constitutional under the Commerce Clause? Did the Justice feel that the mandate was constitutional under the Necessary and Proper Clause, which gives Congress the power "to make all Laws which shall be necessary and proper for carrying into Execution" its other powers?