BY STEVE LACKMEYER Business Writer slackmeyer@oklahoman.comThe Myriad Botanical Gardens, which for several years attracted hundreds of families each winter with a temporary carousel, is set to add a permanent ride in August between the park's children's garden and the Thunder Fountain. “This was destined for it,” said Maureen Heffernan, executive director of Myriad Gardens.Read more on NewsOK.com