Widow of Malcolm-Jamal Warner opens up 1 year after his death amid lawsuit over his estate

This week marks one year since actor Malcolm-Jamal Warner drowned in Costa Rica while on vacation with his family. His widow, Tenisha Warner, filed a lawsuit on Monday that seeks to recover over a million dollars from the family trust, which is controlled by Malcolm's mother, Pamela Warner. Tenisha spoke exclusively to "CBS Mornings" co-host Gayle King about her grief prior to the lawsuit being filed.