WeWork, eBay and Juul all fired their CEOs this week. Others are going to talk about why. This article is written for those considering taking their jobs. Know that there’s always risk in taking a new leadership position. Indeed 40% of new leaders fail in their first 18 months. This is why you need to assess whether the risk is low level, manageable (WeWork), mission-crippling (eBay) or insurmountable (Juul) and act accordingly.