Jake Reiner is speaking out following the deaths of his parents Rob Reiner and Michelle Singer in December 2025.  “Nothing can prepare you for what it feels like to lose both parents instantly at the same time. It’s too devastating to comprehend. I still wake up every morning having to convince myself that, no, it’s not a dream. This truly is my living nightmare,” the eldest son of the late couple and former local news reporter for KCAL wrote in an emotional message posted to Substack titled “Mom and Dad.”   He continued: “I can’t even begin to put myself in my parents’ shoes, but one thing I keep coming back to is how frightened they must have been. They were the last people in the world to deserve what happened to them.…