Support WBUR'Shame!': Protesters Shout At DHS Head Kirstjen Nielsen, Eating At Mexican RestaurantBill ChappellJune 20, 2018 ShareHomeland Security Secretary Kirstjen Nielsen, the face of the Trump administration's policy that has split up migrant families, was heckled inside a Mexican restaurant. She's seen here at Monday's daily briefing at the White House. (Reuters)