The summer's explosive dance challenge has recently taken a dangerous turn. It's the "In My Feelings" challenge — also known as the "Kiki" challenge — and one Iowa teen found herself in the hospital after attempting it. The original "In My Feelings" challenge started innocently enough, with people filming themselves dancing to Drake's new song, "In My Feelings." But since the trend took off about a month ago, it's escalated to a new, dangerous level, with some people recording themselves jumping out of moving cars to dance. Police and safety officials in communities around the world have issued warnings urging...