MOUNTAIN BROOK, Ala. Some parents are asking for answers after their children sang a popular marching song of the Confederacy during a Civil War history lesson. At least five black students sang, along with other fifth-graders, the lyrics of "The Bonnie Blue Flag" at the closing of last Friday's program at The Highlands School in Mountain Brook. The 1861 song was written in honor of the blue flag with the white star that Mississippi flew over the state Capitol upon seceding from the Union. Some are the lyrics are --quote-- "We are a band of brothers and native to the...