In the past week, the Obama administration overturned a decades­-old policy toward Cuban immigrants, forged two major agreements to address racial bias in big-city police departments and approved an unexpected cut in mortgage insurance premiums for hundreds of thousands of low-income and first-time home buyers. Officials even made time, after years of lobbying, to add the rusty patched bumble bee to the list of endangered species.

In the final days before President Obama leaves office, administration officials are rushing to complete dozens of tasks that will affect millions of lives and solidify the president’s imprint on history. But in many cases, their permanence is uncertain, and President-elect Donald Trump is already pledging to undo some of them after taking office. READ MORE