YIMBYs Won Montana

> One would require cities to permit backyard flats and other accessory dwelling units by right. Another law would allow duplex homes to be built in places zoned for single-family housing. If Montana Governor Greg Gianforte, also a Republican, signs even a couple of these bills into law, Montana will have leapfrogged several East and West Coast states…

What? California (the most populous state, and most of the West Coast) has both of these provisions in law already.