Michelle Obama, Mariah and company try to close the deal in North Carolina

CHARLOTTE, N.C. — Election eve in North Carolina had it all, entertainment, sports and the first lady. In a lineup that included the NBA’s Derek Fisher and diva Mariah Carey in a gown so form-fitting she needed an assist up the stairs to the microphone, it was Michelle Obama who closed the show on Monday as she asked the crowd, “Are we ready to work for this?”