Washington Post/RNS: Should a seashell adorn Boston's Episcopal cathedral?

Since May, a giant aluminum sculpture depicting a cross-sectioned chambered nautilus has been lighting up the pediment of the Cathedral Church of St. Paul in Boston and turning heads at one of Boston’s busiest corners, G. Jeffrey Macdonald writes in this Religion News Service story in the Washington Post.  It’s also creating conversation about what’s lost and gained when a church uses its high-profile facade to display an ambiguous symbol, rather than recognizable religious imagery, he writes.