It was only 15 words. And it wasn't what the legacy media focused on. But in his Friday address, following up on Donald Trump's deranged speech the night before, Homeland Security Secretary Markwayne Mullin gave away the game.

Standing behind an official podium, in front of several American flags, Mullin stated menacingly, "REAL ID does not prove citizenship and does not give you the right to vote."

Mullin was trying to ramp up his threats against states that refuse to turn over their constitutional power to run elections to the federal government. Instead, he admitted what many of us have been saying for months: The SAVE Act would disenfranchise millions, and that is its point.

The first part of what Mullin said is correct — REAL ID does not prove citizenship. In fact, only five states — Michigan, Minnesota, New York, Vermont and Washington — issue Enhanced Driver's Licenses that are restricted to U.S. citizens. Driver's licenses in every other state are not proof of citizenship, whether REAL ID or not.

The result is that if a person is required to prove citizenship to register to vote or cast a ballot, a driver's license is of no use — except in those five states. Instead, a person born in the U.S. must present an unexpired passport or an original or certified copy of a birth certificate.

Only about half the population of U.S. citizens have passports. And Black Americans — the base of the Democratic Party — are far less likely than white Americans to have one.

As for birth certificates, most Americans don't regularly carry them. For many, the document is stored away somewhere or lost. And for people born outside a hospital setting — especially older Black Americans — they may never have received a standard birth certificate at all.

By far, however, the biggest impact of a citizenship-proof requirement would fall on women who changed their last names when they married. For them, a birth certificate alone doesn't work, since the surname on the document won't match their current name.

This is not an insignificant problem.

According to surveys, roughly 70 percent of married women changed their last names. That translates to approximately 50 million women who are U.S. citizens but cannot rely on a birth certificate alone to prove citizenship.

The targeting of women in bills such as the SAVE Act is no accident. According to Pew, women lean Democratic by 9 points, while men lean Republican by 11 points — a 20-point gap.

But recent proposals by Republicans and their allies go beyond proving citizenship to register to vote. They demand that voters present proof of citizenship when they vote as well. That is why Mullin added the second part of his sentence — that REAL ID "does not give you the right to vote."

This is not an oversight...