Ron Jeffries challenged me to show how Flow-Design and Event-Based Components can help software development. This is the problem he posed in the Software Craftsmanship discussion group: Solve bowling scoring. Here is the specification. Note that this is a simpler version than the one Bob Martin often uses. I'll take questions if you have any. Given a list of the rolls of a legal game of ten pin bowling, which you may assume are provided without error or omission, produce the total, final, score of ......