Be thankful for someone who tells you what you need to hear, not what you want to hear By Kelly Hockenberry, Columnist, The Times I have had long hair for a long time. So, when Sienna Miller cut hers into this adorable MUST HAVE style of 2015, I became obsessed with the idea of “the chop.” *author side note: when I fixate on something like this, it is not good for anyone around me. I will stop...