Jo Anne Kleifgen is Professor Emeritus of Linguistics and Education, Teachers College, Columbia University, USA. Her publications include Educating Emergent Bilinguals: Policies, Programs, and Practices for English Language Learners (with Ofelia Garc?a; Teachers College Press, 2010) and Languages of Africa and the Diaspora: Educating for Language Awareness (with George C. Bond; Multilingual Matters, 2009).