Is Your Child's Youth Coach a Good Teacher? by Jeffrey Rhoads, Inside Youth Sports - Former players don't necessarily make good coaches. You're either a good teacher or you're not.
Why Focusing Skills Are Critical for Young Athletes by Dr. Patrick Cohn - Think small. Focus on the details of how to execute the play. Thinking about results or what others think is a major performance distraction.
Alas, Even Little League is Mired in Politics by Bruce Maiman, The Sacramento Bee - Duh... As usual, it's the parents that are the problem.