TACOMA, Wash., Aug. 30 (UPI) -- Officials in Washington state say they'll consider moving the health battle over secondhand smoke into a new and contentious arena -- people's homes. The Tacoma-Pierce County Health Board will consider a proposal next month to classify secondhand smoke as a "nuisance" in multi-unit housing, The Tacoma (Wash.) News Tribune reported Monday. Backers of the measure say they want it incorporated in the state's landlord-tenant law. "This is the last piece of the puzzle that needs to be placed," Nan Hogan, who helped write the proposed legislation, said. "We've got smoke-free motel rooms, smoke-free restaurants,...