Dr. Robin Scarcella: Yes, they need to make sure that when teachers are teaching content, for example, they may need to know how to scaffold the content to make sure that they're teaching language objectives. And when I'm in classrooms and I'm watching teachers teach in Los Angeles or wherever I am, I notice that what teachers are having the most difficulty with are language objectives, identifying what language they can teach to help students access the content and participate in the content instruction.