Spartanburg County in South Carolina is ground zero for the largest measles outbreak since 2000. One school has a vaccination rate of 21 percent. The Global Academy of South Carolina, a public charter school, is housed in a glittering modern building on a sprawling campus, a 10-minute drive from the spunky downtown Spartanburg. It has Ukrainian- and Russian-language teachers on staff, reflecti... [1546 chars]