Home Improvement star Taran Noah Smith is looking back on TV mom Patricia Richardson’s exit from the beloved sitcom. “She had just given birth to twins, and she had one older kid who was about my age. And she really brought a lot more of a realistic mom [energy],” Smith, 42, said during a resurfaced episode of “Outgrown” podcast episode. “She fought throughout the whole show to keep the show more realistic and tell the writers, ‘a mother would never say this’ and get them to change it.” Smith starred on Home Improvement as Mark, the youngest member of the Taylor family. In...