The top diplomats of Iran and the United States sit down for public — and separate — one-on-one chats while the U.N. chief and leaders of France, Argentina and Spain will deliver speeches as the World Economic Forum's annual meeting saunters into a busy second day on Wednesday. The elite gathering in the Swiss ski resort of Davos takes a turn toward the environmental and climate concerns that have animated plea after plea from U.N. Secretary-General Antonio Guterres for the world to come together do take more united action against global warming — after a record-hot year in 2023. Experts and policymakers will take up issues like…
