NBC Bay Area reports on a leaked PG&E memo regarding security of substations after the Metcalf attack. PG&E Memo: https://www.documentcloud.org/documents/2081637-pg-amp-e-memo-august-30-2014.html Transcript from NBC Bay Area website: An internal Pacific Gas & Electric Corporation memo obtained by NBC Bay Area shows the company is years away from promised security upgrades at its electrical substations….