Arthur Blank and Bernie Marcus were both fired in 1978 by corporate raider Sandy Sigiloff. Blank, a CPA, and Marcus, an ex-pharmacist, were devastated. Bernie, heartbroken and virtually broke, fell into a deep funk. Arthur considered becoming a private CPA. Both thought a former associate was crazy when he told them: "You've just been hit in the ass by a golden horseshoe". They proved him right. Blank and Marcus both recovered from their professional...