Next year's "brightest comet in modern times" to be "once in a civilization" event

Next year's "brightest comet in modern times" to be "once in a civilization" event -- Science & Technology -- Sott.net: "As it flares out of the distant Oort Cloud, the newly discovered comet C/2012 S1 (ISON) appears to be heading on a trajectory that could make for one of the most spectacular night-sky events in living memory. Why is this comet expected to be so unique? Two reasons.... "