The president said only immediate families of the victims of the mass shooting in 2009 would witness the execution of Maj. Nidal Malik Hasan.

© Doug Mills/The New York Times

President Trump’s latest push to end the war in Ukraine has raised questions about the future of U.S. support.

© Tierney L. Cross/The New York Times

A retired general, a Catholic archbishop for the military and one of Maj. Nidal Malik Hasan’s victims were among those who had spoken out.

© Nicole Bengiveno/The New York Times

The president said only immediate families of the victims of the mass shooting in 2009 would witness the execution of Maj. Nidal Malik Hasan.

© Doug Mills/The New York Times