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Updated on Oct. 18 a 9:35 a.m. ET

The pushback — and the outrage — began immediately.

Trump was asked on Monday why he had not yet commented on the deaths of four U.S. soldiers who were ambushed during a mission in Niger on Oct. 4. In his answer, Trump turned attention to the policies of past presidents and their contact with families of service members who have died.

On Tuesday, he followed his initial comments with more assertions, offering a specific example. That prompted further rebuttal from staff of previous administrations.

In a small, windowless room at Johns Hopkins University, pigtail macaques jump around in cages. The braver ones reach out between the metal bars to accept pieces of apricot with their long fingers.

In one cage, a monkey hangs back in the corner. At first it looks like he's all alone in there, until veterinarian Bob Adams points out, "No, he's got a friend." Another monkey is clinging to his back, almost hidden.

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President Trump today doubled down on his misleading claim that his predecessors didn't call the families of soldiers who were killed in action. NPR's Geoff Bennett has details from the White House.

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