These immigrants have one shot to come to the US. But Biden has to act.

Three years ago, amid negotiations over immigration reform, then-President Donald Trump infamously questioned why the US was taking in immigrants from “shithole countries.”

He was referring to people from African nations who often have no legal pathway to come to the US except through a program known as the “diversity visa lottery.” Every year, roughly 55,000 people from countries with low levels of immigration to the US are chosen via a lottery to apply for a visa through the program. For many of them, it’s a golden ticket to a...