WASHINGTON, Oct. 31 -- The National Oceanic and Atmospheric Administration issued the following news: The number of gray whale calves migrating with their mothers along the California Coast this year was one of the lowest on record. The population is still regaining ground after an Unusual Mortality Event that resulted in a sharp decline in overall population numbers. While the eastern North Pacific gray whale population that migrates annually along the West Coast has rebounded in overall abun  more