a person who i did not know existed. >> brown: caitlin is kuusisto's fourth guide dog.g, will travel," he writes movingly of the death of, cois original four-legged companion, who died at age 13 in 2005ne >> this ishing i'm proud of, that when she was lying there on the gury in the vet's office and it was the final moment and i was aboutrst in a tears, i realized this dog who has cared for me and been concerned for me at every turn. and i held her and i sang to her our favorite little walking song. so, she died while hearing that, s d then i fell apart. >> brown: for the wshour, i'm jeffrey brown in syracuse, new york. >> woodruff: oh, my. thank you. eric greitans has been charged with felony data tampering in his 2016 campaign he used the or list from charity mission continues without permission. h he's facing invasion ofpr acy for taking a nonconsensual nude photo of a won with whom he was ving an affair. later tonight on "washington week," robert costa is here and he and his guests will discuss another wild ride of a wk in litics. and that will be followed by "i prin

the movement transformed many lives, including kuusisto's.ibe when you were just getting coy, your first guide dog, going into manhattan. >> that defied mcapacity as a writer to fully explain. that feeling was so mense, so meaningful, so beautiful, that i'm still not sure i really engaged it, right? >> brown: in the harness, caitlin is all business, but the moment it comes off at home, she's all play. look at this!et >¡em! get ¡em! >> brown: in addition to his writing and teaching, kuusisto is also a strong advocate for disability rights, working at syracuse's famedsturton blatt ute. he regularly meets with other faculty and students to discuss issues of the day. >> people with disabilities doesn't mean they're not capable of doing something. >> brown: one topic during our visit: the terminology associated with disabilities. >> this is why i don't believe in the term "assistive technology." it's not just technology for the disabled-- all technology is assistive technology. >> brown: kuusisto himself uses a computer program when he ites. a voi

author stephen kuusisto writes about his relationship with his dog, after a condition left him legally