This is an independent opinion. Want to respond? Write your own commentary! Email hoa@ivn.us. For a week in August, Californians were exhorted to conserve electricity during the extreme heat wave, and subjected to rolling blackouts for the first time since 2001. While residents conserved, the non-essential business of live horse racing continued with the blessing of the California Horse Racing Board. Horse racing didn’t just continue — it happened during the peak usage times of 2 p.m. to 9 p.m...