I’m hoping that this fall’s “Easy A” will give Emma Stone the breakthrough role she needs to become a major star. From “Superbad” to “The Rocker,” “Zombieland,” “The House Bunny,” and even “Ghosts of Girlfriends Past,” she has demonstrated the ability to zero in to create a fully-realized character instantly, and she has some of the most powerful screen charisma of her generation. Here’s a clip that is just plain adorable.