As quickly as it was rediscovered, a painting believed to be a lost work of Renaissance master Michelangelo has disappeared, a matter of days before experts were due to examine it. The 16th-century artwork depicts Mary, Joseph and a sleeping baby Jesus and had been undisturbed in a dark corner of the Sin Ludgerus church in the small Flemish town of Zele. Upon his discovery, pastor Jan Van Raemdonck, 61, noted the startling similarities between...