Sacramento retailers are still feeling the bitter sting of the recession this holiday season. Local merchants selling everything from kids' snowshoes to William Shatner's first album are mostly reporting decreased sales — although some say 2009 holiday sales haven't been as dire as predicted. "I think the holiday season will be a disappointment to most merchants," said Ed Castro, who owns Ed's Threads at 1125 21st St. "I'm not shooting for the moon, so I'm not going to be disappointed." With the country's economy in its third year of recession, retailers operating downtown and throughout the central city are struggling the same as retailers elsewhere. Industry-wide, holiday retail sale