Review and troubleshoot a single page on an existing Drupal site and correct the page presentation w/o hampering any other outputs. The issue is that text block editing page for the end user template is missing the "Region", "Weight", "Throttle", and "Operations" columns to the right of the "Block" column. This was working correctly at one point, but repairs elsewhere to the CSS for the template inadvertently caused this problem, which was not discovered until now. I will provide the...