Why progress is slowing around the UN’s Sustainable Development Goals

News Snapshot:

It’s United Nations General Assembly (UNGA) week, when heads of state and representatives from at least 145 countries descend upon Manhattan for the global body’s annual high-level session. For New Yorkers who aren’t participating in or covering the sessions — like my Vox colleagues Jonathan Guyer and Jen Kirby are, dashing from meeting to meeting — UNGA week means one thing: gridlock alerts, when the combination of crowds and security closures turns the east side of Manhattan into a parking lot. Cars aren’t the only thing stuck in traffic at the United Nations, however. One of the main topics of...