The expert witness’s testimony is the one part of trial where the communication comes the closest to what was probably the jury’s earliest and most fundamental experience with learning: The expert is like the teacher, and the testimony is like school. But are witnesses good teachers? Some are, but others can be overly detailed, legalistic, combative, or simply unclear. Preparing your case means preparing on the facts and the law, but it should also mean preparing the instruction so it is as clear and as effective as possible. Here are Persuasive Litigator’s top ten posts so far on expert testimony.