Former First Lady Michelle Obama. Photo: Cheriss May/NurPhoto via Getty Images

Former First lady Michelle Obama, in addition to the Clintons and the Bushes, has become the latest occupant of the White House to rebuke the Trump administration's "zero-tolerance" policy that separates children from their parents at the border.

Yes, but a defiant President Trump and his Cabinet are refusing to publicly back down from their intensely controversial policy, which has further polarized the already divisive immigration debate in the nation’s capital.

By the numbers: As of the end of May, almost 2,000 children have been separated from their parents.

What they're saying

The Bushes:

  • Former First Lady Laura Bush wrote an op-ed she wrote in the Washington Post denouncing Trump's policy as "cruel" and "immoral."
  • Former Florida Gov. Jeb Bush also on Monday called on Trump to end the “heartless policy" in a tweet replying to the president.

The Clintons:

  • Former President Bill Clinton tweeted Sunday: "On this Father’s Day I’m thinking of the thousands of children separated from their parents at the border. These children should not be a negotiating tool..." Hillary Clinton quote tweeted this, "YES!"
  • Hillary Clinton also tore into the policy while delivering remarks in New York Monday.

The Obamas:

  • Michelle Obama tweeted Monday: "Sometimes truth transcends party" in response to a Sunday night tweet from Bush's account that included the op-ed. Former President Barack Obama re-tweeted his wife's post.

Go deeper: What they're saying: Top Republicans speak out against child separation; What it's like for children being held in immigration facilities

Go deeper

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