standing in a public restroom. >> tracey lind: i was washing my hands, and i looked in the mirror, andi did not recognize my own face. >> whitaker: didn't recognize yourself. >> lind: no. i looked in the mirror, and i kept looking, and i remember i kept looking at this woman, wondering, "who was she?" >> whitaker: this is who she was: the very reverend tracey lind, dean of the episcopal cathedral in cleveland, ohio, one of the city's most prominent preachers and civic leaders. she was 61 years old when both she and her spouse emily ingalls began to notice trouble with things tracey had always done very well; like finding the right word, recognizing congregants and friends' faces, and, of course, her own. >> lind: that's when i said, "oh, man. i've got to go see a doctor." >> whitaker: when that happened, were you-- were you scared? >> lind: oh, i was scared to death. >> whitaker: emily, what did you think was happening? >> emily ingalls: i thought, there's something not right with her brain. >> whitaker: on election day 2016, tracey lind got the diagnosis: frontotemporal dementia. she