BANGOR - Protecting the lungs of little ones in foster care from the effects of secondhand smoke is the primary reason behind a new law in Maine." Secondhand smoke is really dangerous for kids," said Janet Spencer, director of Bangor Region Partners for Health. "Their lungs are in a developing stage and anything that is pulled into their lungs can potentially be harmful in the long run. In a lot of ways secondhand smoke is more harmful." The law, which was enacted last fall, calls for the Maine Department of Human Services to "adopt rules on smoking by foster parents...