Editor's note: The Cherokee County School District faces the threat of litigation from Americans United for Separation of Church and State if it continues to hold high school graduations at First Baptist Church of Woodstock. Patch invited people on both sides of the church-state dispute to submit columns. Jeffrey Selman, an East Cobb resident and the president of one of the two Georgia chapters of Americans United for Separation of Church and State, accepted. Cherokee County Board of Education member Mike Chapman of Canton did not. Though he said the facility was "only a building" at a…