When Kara Goldin launched her fruit-flavored water company, Hint, in 2005, she’d worked in media and tech--but never in consumer products, much less beverage creation or distribution. But armed with curiosity and verve, when she lacked know-how, she asked the right questions. And perhaps what she didn’t know was the most valuable asset of all--because the immense challenges that would come didn’t seem impossible. Goldin chatted with host Christine Lagorio-Chafkin about her biggest moments of doubt, including when Hint’s biggest customer, Starbucks, canceled its orders, which amounted to 40 percent of the company’s sales.