<http://schema.org/alternativeHeadline>
"Hurricane Sandy broke meteorological records in terms of size and barometric pressure, but how does it stand up to Hurricane Katrina?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/how-hurricane-sandy-compares-to-the-worst-us-natural-disasters>