U.S. Homeland Security Secretary Nielsen resigns Apr 7, 2019 21:27:19 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Apr 7, 2019 21:27:19 GMT -5 U.S. Homeland Security Secretary Nielsen resignsU.S. Homeland Security Secretary Kirstjen Nielsen, who became best known for defending President Donald Trump's policy of separating migrant children from their parents, said on Sunday she was leaving her position effective immediately.feeds.reuters.com/~r/Reuters/PoliticsNews/~3/ajHcZLHHepk/u-s-homeland-security-secretary-nielsen-resigns-idUSKCN1RJ0OC