Tyrese Gibson, actor and multiplatinum R&B singer, and Rev Run, a founding member of pioneering hip-hop group Run-DMC, talk about their new book, "Manology: Secrets of Your Man’s Mind Revealed." This unlikely twosome teamed up to present a bold, honest, and uncensored look into the male mind...

Tyrese Gibson, actor and multiplatinum R&B singer, and Rev Run, a founding member of pioneering hip-hop group Run-DMC, talk about their new book, "Manology: Secrets of Your Man’s Mind Revealed." This unlikely twosome teamed up to present a bold, honest, and uncensored look into the male mind...