Cynthia Littleton Business EditorRob Lowe has cut quite a path through primetime during the 20-plus years since he joined “The West Wing.”He turned down “Grey’s Anatomy,” but landed in the ensemble of “Parks and Recreation.” He sold a show about chasing Bigfoot with his sons to A&E Network. From 2003 to 2018 he was also a regular or recurring on series “Code Black,” “The Grinder,” “Californication,” “Brothers and Sisters,” “Dr.