Greg Landgraf writes: “In the first year of Donald Trump’s second presidency, libraries have been buffeted by a string of policies and executive orders. Some changes have been sweeping, while others were smaller in scope but still had significant impacts in specific regions or for specific library services. Uncertainty may be the most notable overarching theme of federal policy in the past year. Here are several updates on federal policies and decrees that have and will continue to affect libraries across the US.”