In a competitive situation, with multiple networks pursuing, ABC has landed ballet-themed dramedy written/executive produced by Deception and Mercy creator Liz Heldens and executive produced by Sue Naegle. The project, which has received a script commitment with a significant penalty, hails from Sony Pictures TV’s recently relaunched TriStar TV label. The British reality series, which had a brief run on Channel 4 last year, featured 18 amateur, plus-sized dancers, many…