Introduces the issue being discussed
Advocates for an issue 
Addresses a person or group of people who can bring about the desired change and how they may/should go about it, but is also intended for the general public

Makes a clear argument for the your position and rationale

Develops the analysis by selecting the most significant and relevant facts, details, quotations, or other information.
Addresses at least one main counterclaim and refutes it with logical reasoning

Uses precise description, selection of effective details, and vivid vocabulary
Concludes with a call to action

Follows the conventions of a published open letter including editing
Free of grammatical and spelling errors