My bachelor’s degree is in engineering.  (I hear all of you thinking “Ah!  No wonder he’s such a geek.”  But I was a geek long before that.)  In engineering, safety is an entire field of study with formal ways to account for and measure errors, plan for system failures, and quantify the likelihood of adverse outcomes. Until the last several years, medicine had a very different culture.  Traditionally giving a lot of latitude to physician judgment and autonomy, hospitals had few systems in place...