In 2010, Brendan O’Meara didn’t know how to pitch a story effectively. He didn’t know which editors to email, what a good pitch looked like or even where to start. He found himself floundering. More than a decade later, after building a freelance career, he’s trying to make sure other writers don’t have to figure it out the hard way. In that time, O’Meara has written for multiple publications, including W riter’s Digest, Trail Runner Magazine and Mountain Home Magazine. He also started “The Creative Nonfiction Podcast,” a weekly show featuring interviews with authors and journalists that turns 13 this week.  About a year ago, he had another idea. “It kind of hit me, something like — as trite as it sounds — kind of like a lightning bolt out of the blue,” he said. He started a project he wished he had as a beginner. He asks writers for the original pitches they used to sell stories to publications. Then he has them break down those pitches in articles with small, embedded audio clips.…