Meat-Free Mondays, forbidding window advertising on Muni buses and closing a loophole in the city's plastic bag ban -- all in a day's work for the Board of Supervisors. The board on Tuesday unanimously approved a resolution by Supervisor Sophie Maxwell declaring every Monday "Vegetarian Day" or "Veg Day," which encourages restaurants, grocery stores and schools to offer more vegetarian fare. The only thing is, it doesn't actually require anything and there is no enforcement capability, just like other resolutions the board passes. Maxwell said it was important to draw attention to the relationship between diet and climate change, citing...