Nathaniel Persily, Eric Himpton Holder, Stephen Ansolabehere, Charles Haines Stewart, Northwest Austin Municipal Utility District, Number One & United States, Northwest Austin Municipal Utility District Number One, Appellant, v. Eric H. Holder, Jr., Attorney General of the United States of America, Et Al., Appellees : On Appeal from the United States District Court for the District of Columbia : Brief for Nathaniel Persily, Stephen Ansolabehere, and Charles Stewart III as Amici Curiae on Behalf of neither Party, 2009.