That was from the Gospel some time ago when Jesus spit in eyes of the blind and unstopped the ears of the deaf.
While I was gone the last few days, the topic of American Sign Language in the Mass suddenly became a hot topic in the Catholic blogosphere due to the article For Deaf Priests and Parishioners, a New Mass Works in The New York Times.
Amy simply quotes a portion of the article, but the comments are interesting.
The Curt Jester discusses how the Sacraments work for the deaf (words of consecration, going to confession, etc.).
Rocco has a few quotes, though nothing to add really.