Worst FED Rule Change in recent memory.

[jkumpire]

I was working with a very delightful older lady the other day, and we got into a discussion of the worst FED rules change in recent memory. As I was thinking about my answer, she suggested the allowing the let serve was the worst rule change.

I still think you should be able to attack serves, but there were about three others I did not really like.

So I ask you, what is your least favorite FED rules change in a while?