In the open letter, titled “To Those I’ve Hurt,” published on the back page to Section A, the 48-year-old musician and entrepreneur, claims insufficient medical oversight following the injuries he sustained in a 2002 car accident contributed to his struggles with Bipolar I disorder, which he was diagnosed with in 2016. The crash, famously left him with a broken jaw and led to his hit-debut single “Through the Wire,” claiming the focus at the time was on the “visible damage” adding “the deeper injury, the one inside my skull, went unnoticed.” “Comprehensive scans were not done, neurological exams were limited,...