(CNN) — When Dr. Rachel Wellner got a text from her brother Tuesday night that his wife was in labor, she was speaking at a fancy charity event for breast cancer research. As soon as her speech was over, she raced in her evening gown to Mount Sinai Hospital in Manhattan to watch her nephew, […]

(CNN) — When Dr. Rachel Wellner got a text from her brother Tuesday night that his wife was in labor, she was speaking at a fancy charity event for breast cancer research. As soon as her speech was over, she raced in her evening gown to Mount Sinai Hospital in Manhattan to watch her nephew, […]