The heel of the boot of The Man.
Doctors say it's good for the system.
Keeps it from getting all bunged up. Regularity is good for columns too. By definition, columns are supposed to be stable, regular, constant. Like any good radial tire, columns are just supposed to be there doing their job. This column, if indeed there are any people out there who actually follow this drivel, did not appear last time because there was too little space and too much advertising.