People often say they want positive news stories, but they rarely read them. Sean Devlin wanted to know: Why? So he set out to find out — and has since built a newsletter, called Nice News (at nicenews.com), that now has 450,000 subscribers. So how did he do it? And how can you build a strong newsletter for any niche subject? That's what we discuss on this episode of Problem Solvers. Sponsor: Harvard Business Review.  Access's HBR's unlimited content start at only $10 a month. visit www.hbr.org/subscriptions and enter PROMO CODE: SOLVERS to take advantage of this great offer.