(RNS1-apr3) In a recent Rolling Stone interview, Marcus Mumford, the 26-year-old lead singer of the wildly successful British band Mumford & Sons (pictured here), raised the hackles of religious folks (in some quarters) when he declined to claim the “Christian” label as his own. For use with RNS-FALSANI-COLUMN, transmitted on April 3, 2013, Photo courtesy Big Hassle Media.