CNN CNN Special Report November 1, 2015 01:55:00
Nuns go viral. but exactly why it went viral? you have to first understand the man who helped inspire the challenge. >> for those of you who don't know me, my name is pete bradys. i'm 27 and i was recently diagnosed with als. >> so i walk into the room to see him for the first time and the first thing i see is this little smile and this wink. where does that come from? >> you're in? >> you're in. >> i feel great. >> a lot has changed in two years. but his eyes and his expressions haven't. pete may look like he needs your sympathy, but trust me, pity drives this fight er, this game changer craz...