Nick Guthe said his wife Heidi Ferrer, a well-known Hollywood screenwriter, had been battling debilitating symptoms for more than a year before she died by suicide. Guthe tells CNN’s Alisyn Camerota about his late wife’s struggle as a Covid-19 “long hauler.” If you or someone you know needs help, call the National Suicide Prevention Lifeline: 1-800-273-TALK (8255).