Laney College math instructor Bill Lepowsky (left) goes over math statistics with student John Kenison at Lanet College in Oakland on january19, 2007.  A nationwide movement is springing up to protect workers from harrassment at work. Eleven states have introduced legislation, although it has yet to pass in any of them. In California, a Sacramento group hopes to find a sponsor for legislation this year. Experts offer tips on combatting bullying.  Bill Lepowsky, a math professor at Laney was the target of workplace bullying several years ago. He held his ground and eventually won an apology from his tormentor and from the college -- something that's fairly unusual.  Photo taken on 1/19/07 by Michael Maloney / San Francisco Chronicle **Bill Lepowsky, John Kenison MANDATORY CREDIT FOR PHOTOG AND SF CHRONICLE/ -MAGS OUT Photo: Michael Maloney