President Trump has expanded domestic use of the armed forces, testing the limits on involving troops at protests and the border.

© Mark Abramson for The New York Times

Former officials said the Trump administration’s push for the agency to detain record numbers of undocumented immigrants increases the chances of mistakes.

If you want to radicalize a population, there is no faster way than to use disproportionate force against civilians.

© Daniel Terna for The New York Times

If you want to radicalize a population, there is no faster way than to use disproportionate force against civilians.

Trump is playing with fire, which is just how he likes it.

© Eric Thayer/Associated Press

The Trump administration and its allies have worked hard to conceal the true impact the legislation would have on the country.

Trump is playing with fire, which is just how he likes it.

Some former spy-hunters see the State Department’s plan to revoke visas of some Chinese college students as heavy-handed and counterproductive.

Secretary of State Marco Rubio said the students who will have their visas canceled include people with ties to the Chinese Communist Party and those studying in “critical fields.”