A portion of a gun-control measure that was passed earlier this year in the Oregon Legislature went into effect over the weekend. Oregon this week joined about a dozen other states in requiring gun owners to store their guns in a gun room or safe, or use a trigger lock when it isn’t being carried under their control. The measure also “authorizes city, county, metropolitan service district, port operating commercial airport, school district, college or university to adopt ordinance or policy limiting or precluding affirmative defense for possession of firearms in public buildings by concealed handgun licensees,” according to the text of the bill. The bill also stipulates that a firearm isn’t considered secure if a key or the combination code to a cable lock, trigger lock, or storage container is easily accessible or available to a person that the gun’s owner hasn’t authorized to control the firearm. The measure …