Yoplait is opening a new front in the cultured-milk battles.They’re calling it Oui by Yoplait, in homage to the company’s French roots. Whether it will succeed remains to be seen. But if, as you are shopping, you happen to pick up a small glass pot of Oui and are momentarily transported to the French countryside, you’ll know that the company has finally figured out how to look beyond the data and embrace the narrative.