Oct. 16 at noon: Bay Area News Group reporter Robert Rogers leads a discussion of the Richmond ballot measure that would impose a tax on sugar-sweetened beverages.

Other chats, all at noon: Oct. 15, Hetch Hetchy study | Oct. 17, Berkeley sit-lie ordinance | Oct. 18, San Jose minimum wage | Oct. 22, Props. 30 and 38, taxes | Oct. 23, Prop. 37, food labeling | Oct. 24, Prop. 32, political contributions | Oct. 25, Prop. 34, death penalty | Oct. 29, Prop. 36, three strikes