10 canonical passages across 7 cases, quoted by 126 opinions in total. These passages cluster together because the same opinions keep quoting them side by side — they state parts of one doctrine. The anchor passage is from Nixon v. Shrink Missouri Government PAC.
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | Nixon v. Shrink Missouri Government PAC Anchor | green | “the quantum of empirical evidence needed to satisfy heightened judicial scrutiny of legislative judgments will vary up or down with the novelty and plausibility of the justification raised.” | 43 |
| 2 | Federal Election Commission v. National Conservative Political Action Committee | green | “preventing corruption or the appearance of corruption are the only legitimate and compelling government interests thus far identified for restricting campaign finances.” | 15 |
| 3 | Federal Election Commission v. National Conservative Political Action Committee | green | “the hallmark of corruption is the financial quid pro quo: dollars for political favors.” | 14 |
| 4 | Austin v. Michigan State Chamber of Commerce | red | “the corrosive and distorting effects of immense aggregations of wealth that are accumulated with the help of the corporate form and that have little or no correlation to the public's support for the corporation's political ideas.” | 13 |
| 5 | Nixon v. Shrink Missouri Government PAC | green | “so radical in effect as to render political association ineffective, drive the sound of a candidate's voice below the level of notice, and render contributions pointless.” | 11 |
| 6 | United States Civil Service Commission v. National Ass'n of Letter Carriers | green | “neither the right to associate nor the right to participate in political activities is absolute.” | 9 |
| 7 | California Medical Ass'n v. Federal Election Commission | green | “may require different forms of regulation in order to protect the integrity of the electoral process.” | 5 |
| 8 | Munro v. Socialist Workers Party | green | “legislatures, we think, should be permitted to respond to potential deficiencies in the electoral process with foresight rather than reactively, provided that the response is reasonable and does not significantly impinge on constitutionally protected rights.” | 4 |
| 9 | Federal Election Commission v. Colorado Republican Federal Campaign Committee | green | “we should not allow generic public dissatisfaction to support the restriction of political speech.” | 4 |
A red or yellow flag on a member means the underlying case has negative treatment — for those, check the case page before relying on the passage.