Have you ever been to a training session that made you want to fall asleep after 5 minutes? Were you forced to go and look at the back of someone's head as they read off the PowerPoint slides? Did you leave there saying you could have done it better yourself? Whether you've been tasked with training your co-workers in-house or total strangers in public venues, there are steps you can take to prevent training session disasters. Let's start with the basics of becoming the subject matter expert (SME).