President Donald Trump’s new ban on travel to the U.S. by citizens from 12 mainly African and Middle Eastern countries is set to take effect Monday amid escalating tension over the president’s ...

President Donald Trump’s new ban on travel to the U.S. by citizens from 12 mainly African and Middle Eastern countries is set ...

Many of the nations covered by the restrictions have adversarial relations with the United States, such as Iran and Afghanistan, while others face severe crises, like Haiti and Libya.