Sending people to another star will be a monumental undertaking, and the challenges will be not just technological, but human. One thorny question, experts say, is whether to involve organized religions in the effort to mount an interstellar journey. Religious leaders argued the issue Sept. 14 in Houston at the 100 Year Starship Symposium, a meeting to discuss the prospect of sending a space mission to another star within 100 years. The church has the resources, funding and reach to garner support for an interstellar mission, said Jason Batt, group life director at Capital Christian Center in Sacramento, Calif. Batt...