NPR reporter Sarah McCammon explained in her now viral tweet her 6-year-old son was recently tasked with writing a letter to Santa by his school. His response?Dear Santa, Santa Im only doing this for the class. I know your notty list is empty. And your good list is emty. You dont know the trouble Ive had in my life. Good bye. love Im not telling you my name.Well, we'll give him points for his honesty!