Jesse Russell, Workers Independent News, March 8, 2010 Grassroots labor activists from California to Ohio gathered at the Nation Labor College, just outside Washington, DC, to discuss the next step in the battle for single-payer healthcare. One of the most vocal unions has been the California Nurses Association, along with their umbrella group, National Nurses United. Martha Kuhl, Secretary-Treasurer of NNU, is a pediatrics nurse in Oakland, California. She says that nurses see everyday how lack of healthcare affects people. She says that the success of the campaign lies with unions. ... Labor