The St. Petersburg math student used the envelope posted yesterday to send this card of a rabbit. She wrote that it was drawn by an 11-year-old boy named Hasan Bedretdinov, who is a cancer patient. The card, which shows a 'rabbit monument' in St. Petersburg, is part of a project to raise money for his treatment. I was happy to learn there is a rabbit statue in St. Petersburg and I wish Hasan many, many years of drawing.