the pro-tax group is being outfunded 30 to 1.cot, big soda cry baby, hands on monopoly money for votes. >> more where this came from. >> reporter: we reached out to the american beverage association who told us, we oppose taxes or other discriminatory proposals that single out our products. we are completely transparent in our engagement in these debates. >> if san francisco passes a soda tax, it sends a very powerful message that big soda can be beaten. >> reporter: and if san francisco doesn't manage to get the necessary two-thirds majority, there's a soda tax on the ballot in berkeley, too. i'm david wright for "nightline" in san francisco. >>> next, how matthew mcconaughey and anne hathaway and jessica chastain found themselves in this space jam. inside "interstellar." this season, celebrate what's new, with the bigger, better menu at red lobster! try our newest wood-grilled combination! maine lobster, extra jumbo shrimp, and salmon! all topped with decadent brown butter. or savory new lobster scampi linguini, with lobster in