Her self-esteem may be cracking, the private, undetected casualty of a debilitating chronic illness. Ann Marie Johnson hurts from her war with multiple sclerosis. But that is for few to know. She wept as she talked to me about her self-doubt, her fears for the future. Ann Marie longs for a husband and children, but believes MS has taken those from her. Often, she is reduced to just getting by. You would not know it. Usually, Ann Marie puts her best foot forward. That becomes her great defense mechanism. Her sadness stays private as she heads for the glib,sac longchamp. “I’m just a young, sexy black chick from Brooklyn,” she laughs. With MS, I add. “With MS, she says a little more seriously. I wonder aloud if she feels less sexy because of the MS. “At times,longchamps....