It has become a hot-button topic in American politics. But beyond the numbers of children being separated from their parents at the border are very real, long-term effects from toxic stress, one expert says.
Trump has been able to demonstrate a steady level of support from Republicans in Congress, who have almost unanimously backed his key administration appointments.
Tensions have soared in the few weeks since Trump took office, particularly over the process of confirming his cabinet nominees.
The US Senate began confirmation hearings for key nominees to Donald Trump's cabinet Tuesday, amid concerns many of the president-elect's picks haven't been fully vetted over ethics, or made full financial disclosures.