George Mason University Professor Nada Dabbagh sits down with Nadjia Varney to discuss on the current state of distance education in higher learning.  Dabbagh, who recently co-wrote a book entitled 'Online Learning: Concepts, Strategies, and Application', deliberates such topics as task structuring in online learning environments, problem generation and representation in hypermedia learning environments, and supporting student self-regulation in distributed learning environments. From the Series:School Talk