Panasonic's CEO says Elon Musk is a genius — but can be be 'overly optimistic' (TSLA)

· Panasonic's CEO has a warning for aspiring entrepreneurs: don't emulate Elon Musk. 
· Kazuhiro Tsuga told a room of young people that the Tesla leader is a "genius," but that he can sometimes be "overly optimistic."
· Panasonic and Tesla produce batteries in Nevada for electric vehicles, but the two companies'...