Christmas letter 2015

Here is a link to this year's Christmas Letter.  Couldn't figure out how to upload a PDF to this blog.

 <iframe src="https://docs.google.com/document/d/1EH9EEDwe5OFQm4hJDGTP1l-4yBE0OJaDjXgKoZi91G8/pub?embedded=true"></iframe> 

Merry Christmas, everyone!!!