thanksgiving meal? you can walk off those calories at macy s, walmart, kmart, toys r us. we re going live to the cart cam as it wheeled up to kyung lah. she s at kmart in burbank, california. been open since dawn. cart cam. nice. kyung lah, where are you? there you are. right here. set the scene for me. this has been open since 6:00 a.m. you can see people are still rolling around, buying items. the black friday frenzy that u.s. used to be just on friday has now extended. the shoving. the screaming. the swearing. push one of my kids and i will stab you [ bleep ]. let the fists fly, retailers call it the super bowl or shopping, or black friday. but scenes like these at flood the internet give the bargain