(avid)

People Say:

Dr. David Roberts says, when it comes to learning, retrieval practice is crucial.... And harder is better!
It is frustrating to see us lose good, young talented players over the last 3 years... Tankovic, David, Roberts and now Moussa.
Seriously, you should all read 'Shantaram' by Gregory David Roberts and 'Written on the body' by Jeanette Winterson.
By that token you'd also have to believe your definition of the Republican party as "what David Roberts says it is."
He is straight garbage..