There should be a comma between Paul and Ben and another one following Carson.
Quotes take the form comma space quote mark quote as in
Saying, "Never argue...
Not
saying" Never
There should not be a space between ( and Appaloosa.
In your last sentence the comma and space preceding it are improper and disrupt the flow of the sentence.
Implying I am stupid when you are the one repeatedly making errors I learned to avoid in the first few years of elementary school is a good example of psychological projection.