Fix your own mistakes first.

http://grammargrinch.blogspot.com/2008/04/is-civility-of-whom-dead.html

Vinegartits writes this:

Parallelism: use "that...that" or use nothing. Don't use one that to begin a noun clause an omit before the other noun clause.

Maybe she's learned something from my post two before this one of March 25!