Popular San Francisco radio host Jeffrey “JV” Vandergrift was found dead this week, nearly a month after he posted an alarming message on social media and went missing, authorities said. JV’s body was found by police around 5 p.m. Wednesday in the San Francisco Bay by Pier 39, KRON4 reported. No cause of death has been determined, the outlet said. The tattooed on-air personality, 54, was reported missing on Feb. 23, just hours after he posted a concerning Instagram update thanking his followers for “a wonderful life-filed w joy, laughs, pain & struggle.” He also changed his Twitter location to...