What are you thinking about for your 2013 fashion overhaul? By Kelly Hockenberry, Columnist, The Times SUNDAY SERMON: (a.k.a.  What thoughts are crowding Kelly’s brain?)  I’m trying to embrace the “party” nail because it is EVERYWHERE. But, is there an age limit to this?  Fashion says “not really” but I have to be honest and say that I’m a touch embarrassed by it.  Perhaps it’s...