(AP Photo/Jae C. Hong, File) – In this Oct. 31, 2008, file photo, supporters cheer as they listen to then-Democratic presidential candidate Sen. Barack Obama, D-Ill. at a rally in Des Moines, Iowa. With the first-in-the-nation caucuses just three weeks away, many in Iowa are still trying to make up their minds. The level of uncertainty, verging on anxiety and even panic for some caucusgoers, reflects the stakes for Democrats as they feel the […]