By Scarlett O’Toole Whoopi Goldberg has revealed she was once addicted to cocaine and detailed one terrifying experience she had after taking the drug. The 68-year-old actress has written about her experience in her upcoming memoir Bits and Pieces: My Mother, My Brother, and Me. She said she had “stayed pretty far away from drugs” after spending time at a rehab facility before she was famous. She said her Hollywood career then changed the meaning of “recreational drug use” in the 80s. Whoopi wrote: “I was invited to parties where I was greeted at the door with a bowl of Quaaludes from which I …