Quite a few of the double letters are high-scoring letters.

Well, there are the letter I deliver to the monks, and other things, too: tea and dishwashing soap, paraffin candles, tins of powered Ovaltine...

Is it cross-contamination from the Leahy-Daschle letters? Could've been. Is that the easy way out? Maybe.

The art of art, the glory of expression and the sunshine of the light of letters, is simplicity.

The letters are goofy,

Chain letters are the postal equivalent of intestinal flu: you get it and pass it along to your friends.