Everything I've Ever Learned

and a partridge in a pear tree.

When I sat down to write a special, end-of-year letter, I felt torn about what to say. Should I continue the tradition from previous years, and compile a list of things I learned? Or take a look back, with a potpourri of favorite posts?

After some hemming, considerable hawing, and a dash of productive procrastination, I decided to do both.

Here is a lis…