Are all dogs of a particular breed aggressive?

Click here for a quick video summary of some recent research into why dogs are agressive.  It is interesting to hear and helps us realise the importance of early socialisation for puppies and reward based training in general and supports my methodology, my COAPE training and the code of conduct I have signed up to with CAPBT.

http://www.upworthy.com/science-says-heres-the-truth-about-aggressive-dogs?c=ufb2