By Bob Smietana NASHVILLE, Tenn.—Americans don’t know much about theology. Most say God wrote the Bible. But they’re not sure everything in it is true. Six in 10 say everyone eventually goes to heaven, but half say only those who believe in Jesus will be saved. And while 7 in 10 say there’s only one true God—Father, Son and Holy Spirit—two-thirds say God accepts worship … [Read more...]