The following link is cogent in regards to prescriptive authority for clinical psychologists. Being a 3rd year clinical PhD student in Louisiana, a state that just passed RxP, I am seeing so many exciting things happening in the psychology department: pre-doctoral training courses so students can prescribe when they leave graduate school (starting Fall '05), seeing the haughtiness disappear from the M.D.'s faces who used their script pad as a sign of their superiority, laws being enacted that allow for one patient to see one professional for all their mental health care (i.e., testing, psychotherapy, meds). I hope you'll read the below posted link:
http://www.apa.org/apags/profdev/prespriv.html
http://www.apa.org/apags/profdev/prespriv.html