The first debate between presidential nominees Donald Trump and Hillary Clinton didn’t contain a single question about immigration, despite the issue’s major prominence on the campaign trail.

Despite the first debate lasting 90 minutes and covering almost every aspect of policy, from trade to gun violence to NATO, moderator Lester Holt never asked a single question on immigration to either Trump or Clinton.

Trump was never asked about his plan to build a wall along the Mexican border, was never pressed for details about how he would deport the country’s millions of illegal immigrants, and was never confronted about whether he stood behind his past proposals to keep Muslims from entering the United States.

Clinton was never asked about these issues either, or her plans to create a path to citizenship for millions of current illegals.

Not only did Holt avoid the topic, but the candidates themselves avoided it as well, preferring to snipe at each other over personal failures or perceived foreign policy flaws.

Polls have repeatedly shown that immigration is one of the most important issues in the election, and it has added salience because the issue was critical to Trump’s initial rise in the Republican primaries. Yet the issue was curiously invisible Monday night.

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