Singer songwriter Sir Paul McCartney shares what we all already knew about the break up of the Beatles. After nearly 50 years of what ifs and who done it’s the legendary musician has shared that in fact it was John Lennon who decided to leave first. While most believed it was Yoko Onos doing it seems that ultimately John was the driving force when it came to moving on to other projects. His quest for causes such as social injustice and the Vietnam war were more important to John then continuing the band.