EDITOR:There are many excellent opportunities to volunteer for this Nov. 6 presidential election. I have chosen to knock on doors, walking the precincts in Reno and Sparks for Team Nevada (which refers to Romney and all Republican candidates.) It has been tremendously satisfying to talk to the voters and ask them directly if Romney and all the Republican candidates can count on their support.We know that this presidential election is going to be very close and that winning in Nevada is critical to the outcome. A strong victory in Washoe County is vital to this objective.Team Nevada in Reno is …