(By Kathy Haight, khaight@charlotteobserver.com) Chanting "Segregation has to go" and "No justice, no peace," more than 30 people marched uptown Saturday to protest inequities they see in Charlotte-Mecklenburg Schools.Led by Kojo Nantambu, president of the local branch of the National Association for the Advancement of Colored People, the group marched from Marshall Park to the Government Center to voice concerns about school closings, teacher training and other issues.