Working weekend? NASA astronauts gear up for Saturday spacewalk on ISS

I am reading this article Working weekend? NASA astronauts gear up for Saturday spacewalk on ISS on The LA Times's website. I am watching coverage of the spacewalk on NBC's Today Show. Tom Costello ‏@tomcostellonbc 19 Dec Coming up on @TODAYshow we're talking SNORKELS in SPACE as @nasa astronauts prepare for Saturday's space walk - wearing snorkels.