Michelle Obama revealed what topic she refuses to discuss with her daughters during a recent episode of her podcast, IMO with Michelle Obama & Craig Robinson. (snip) On Friday's special live episode of IMO, Michelle Obama got candid with guest Tina Knowles about parenting her children, noting that there's a specific subject she refused to talk about with them. "We got to the point at our dinner table where we just didn't talk about school at all," the attorney said. "It would be like, 'OK, you passed.' I didn't want to hear about grades." "I didn't want to get into...