Oprah reveals she has half-sister; her mother was afraid to admit the secret

So Oprah has a sister! Given up for adoption! Reunited today on her talk show! From the Los Angeles Times: 

"Oprah Winfrey never knew her half-sister Patricia existed until around Thanksgiving, calling the secret sister a “bombshell family secret that left me speechless.” Holding back tears on her television talk show today, Winfrey acknowledged that “I thought nothing could surprise me anymore, but let me tell you, today I was wrong.”