Data: Emerging Technology Observatory Map of Science; Chart: Axios VisualsChina leads the U.S. as a top producer of research in more than half of AI's hottest fields, according to new data from Georgetown University's Center for Security and Emerging Technology (CSET) shared first with Axios.Why it matters: The findings reveal important nuances about the global race between the U.S. and China to lead AI advances and set crucial standards for the technology and how it is used around the world.Key...