Example email to Senator Lugar for 
Citizenship in the Nation Merit Badge. 
Email address to use: senator_lugar@lugar.senate.gov

Dear Senator Lugar,

First Paragraph should state your purpose: include your name and that you are a (rank) Boy Scout in Troop 272 from Hillsboro, IN. State that you are writing as a requirement of the Citizenship in the Nation Merit Badge.

Second Paragraph should tell what issue you are concerned about. State what the issue is and give persuasive arguments for your opinion or facts about how the issue should be handled.

Third Paragraph should thank them for serving your district or state. Thank them for taking the time to consider your opionions.

Yours truly,

Your Name.