Mary MacCarthy, who's white, says she and her biracial 10-year-old child were racially profiled
                                
                                
                                    (Newser) -
                                    A single mom has sued Southwest, accusing the airline of racial discrimination after a flight attendant suspected she may have been trafficking a child—her own daughter.  NBC News  reports that Mary MacCarthy, who's white, was traveling with her then-10-year-old daughter, Moira, who's Black, in October 2021 from...