Has Terrelle Pryor taken a big step forward for Raiders?

Daily Raiders blog for NBC Bay Area website: Terrelle Pryor took a course in passing mechanics from Tom House this offseason and now says he never knew how to throw a football. So far in training camp, the results have been much better. http://www.nbcbayarea.com/news/sports/Sharper-Pryor-May-be-in-Raiders-QB-Mix-217390871.html