This is a holding post. I wish to keep this sequence of posts on PCS together in a consecutive sequence. I have had some difficulties this week and have not been able to fully organize the data for presentation. The intent is to return and properly complete the post as soon as I am able.

This is a holding post. I wish to keep this sequence of posts on PCS together in a consecutive sequence. I have had some difficulties this week and have not been able to fully organize the data for presentation. The intent is to return and properly complete the post as soon as I am able.

This is a holding post. I wish to keep this sequence of posts on PCS together in a consecutive sequence. I have had some difficulties this week and have not been able to fully organize the data for presentation. The intent is to return and properly complete the post as soon as I am able.