A weekly mathematical survey of dubious behavior that measures, on a scale of 1 to 100, just how low a person can go.

• Harlem, N.Y., Rep. Charles Rangel defends his reported deal on four rent-stabilized apartments (half off!), while some constituents are getting evicted. Score: 62
• McCain adviser and former senator Phil Gramm says the U.S. is "a nation of whiners," and that we're in a "mental recession," not an actual one. See? It's all just in your head! Score: 74
• Are we thumping a man of the cloth for being so crass? Or a politician for being so dumb? For being testy, or for being nuts? No matter. The Rev. Jesse Jackson is our high scorer of the week. Score: 81