She has seemed nervous when delivering public remarks, unlike her husband, who relishes the attention of chanting crowds and reporters with outstretched microphones. Melania Trump has also been thrown off message because of missteps, said Jennifer Lawless, a UVA politics professor, recalling the controversial pith helmet the first lady wore in Africa and the “I really don’t care, do u” jacket she wore as she boarded a plan to visit shelters on the border.