(CNN) -- Bill Cosby has dominated headlines for much of the last month as accusations of sexual assault pile up. More than a dozen women have accused Cosby, many of whom say he drugged them first. Their stories paint a starkly different picture of the man beloved by millions as Dr. Huxtable -- the sweet, sweater-wearing father on the sitcom, "The Cosby Show." The 77-year-old comedian has denied some of the allegations and refused to discuss others. He has never been prosecuted. Here's the latest on the controversy: What are the allegations against Cosby? At least 15 women are speaking out to various media outlets accusing Cosby of sexual misconduct.

Earlier this month,
Bill Cosby -- or whoever was in charge of his social media -- put out a challenge with a jovial picture of Cosby in a cap: "Go ahead.