Good morning, it’s Tuesday, August 18th. I’m Joseph Delaney and here’s your local news from The Sacramento Bee. Today will be mostly sunny with a high near 112 degrees. And tonight, expect partly cloudy skies with a low around 75 degrees. Facing its biggest crisis in 2 decades, the manager of California’s electricity grid is suspending a form of power trading that it says has made the grid more volatile and contributed to 2 nights of rolling blackouts.