Dr Christina Higgins is an Assistant Professor in the Department of Second Language Studies at the University of Hawaii at Manoa, where she teaches courses in sociolinguistics, discourse analysis, and intercultural communication. Her recent research has focused on communication in NGO-sponsored HIV/AIDS prevention and awareness education in Tanzania, where she has investigated the discursive construction of local and global worldviews. In her book, English as a local language: Post-colonial identities and multilingual practices (Multilingual Matters), she has also explored the role of language and popular culture in HIV/AIDS awareness efforts in hip hop lyrics and in public health advertisements. Her website can be found at http: //www2.hawaii.edu/ cmhiggin.