Brian Patrick Eha is a freelance journalist and former assistant editor at Entrepreneur.com. He is writing a book about the global phenomenon of Bitcoin for Portfolio, an imprint of Penguin Random House. It will be published in 2015.
Equal parts intellectual, businessman and criminal, the star of hit series 'Breaking Bad' returns to TV on August 11. Here's our refresher on Walter White's exploits over the past four and a half seasons and the business lessons you can learn from them.