Kirstjen Nielsen: US Homeland Security chief resigns April 07, 2019 at 09:31PMhttps://https://bbc.in/2TZ0xSU Kirstjen Nielsen oversaw some of President Trump's controversial US border policies.

Kirstjen Nielsen oversaw some of President Trump's controversial US border policies.

from BBC News - World https://bbc.in/2WUYxgl