State legislators in Maine are planning to introduce at least four marijuana-related bills in the upcoming session. From the Portland Press Herald: The marijuana OUI bill is being proposed by the Department of Public Safety, which wants to set a limit that will allow police officers to determine when a driver is too stoned behind the wheel. [caption id="attachment_8429" align="alignright" width="152"] Rep. Diane Russell[/caption] Rep. Diane Russell, D-Portland, said she will introduce her fourth…