Mitt Romney described watching her fail a series of neurological tests as the worst day of his life .
During 1997 , Ann Romney began experiencing severe numbness , fatigue , and other symptoms , and just before Thanksgiving in 1998 , she was diagnosed with multiple sclerosis .
Mitt Romney described watching Ann Romney fail a series of neurological tests as the worst day of his life .
During 1997 , Ann Romney began experiencing severe numbness , fatigue , and other symptoms , and just before Thanksgiving in 1998 , she was diagnosed with multiple sclerosis .