Rep. Alexandria Ocasio-Cortez is taking the Green New Deal global. The New York Democrat posted an Instagram story Tuesday afternoon showing herself walking through the airport as she headed for her first trip abroad as a freshman lawmaker. She’s off to Copenhagen, Denmark, for the C40 World Mayors Summit. “After a very busy week in district, I’m headed to Copenhagen for a global C40 conference where mayors and a lot of other public servants are going to be convening to discuss what we’ll be – what actions we need to take for the climate crisis,” she told her followers. Mayors...