Ryan O'Neal and daughter Tatum at the Smithsonian last year. (Karen Bleier/Getty Images)

“Well, I wasn’t trained.”

Ryan O’Neal explaining how he ended up being such a bad father, as he admits — three of his four kids have struggled with addiction and been arrested — in a self-pitying interview on “Today” Tuesday. The former heartthrob was flacking a new memoir, as you may have guessed, about his relationship with the late Farrah Fawcett.