Nanny Hunt Can Be a ‘Slap in the Face’ for Blacks Last month, Jennifer Freeman sat in a Chicago coffee bar, counting her blessings and considering her problem. She had a husband with an M.B.A. degree, two children and a job offer that would let her dig out the education degree she had stashed away during years of playdates and potty training. But she could not accept the job. After weeks of searching, Ms. Freeman, who is African-American, still could not find a nanny for her son, 5, and daughter, 3. Agency after agency told her they had no one...