 When you stand in line at Charlotte's airport, you just never know who's standing beside you. Last month, a man waiting to check in for a flight suddenly had a heart attack. Just so happened the woman beside him was a nurse. A thank you is not enough, Claire. That's 57-year-old Ken Jeffries in Jacksonville, Florida, sharing a heartfelt message to the woman who saved his life, Claire Serby, a former atrium nurse here in Charlotte.