MADISON – When you’ve been in business 75 years, you learn to adapt. So goes the story of the Watertown-based 7-up Bottling Co., a family-owned distributor of carbonated beverages serving a thirsty four-county market in southern Wisconsin. But these days, as sugary drinks get caught in the fire of the War on Obesity, soda distributors like 7-Up Bottling must feel like it’s got a big red target on its back. “We are definitely not the industry that is causing obesity but yet we’ve got a product that gets blamed for obesity,” Tim Schultz, sales manager for 7-Up Bottling Co. told...