"The senators voting against Rosenstein’s confirmation Tuesday were all Democrats: Cory Booker (N.J.), Kirsten Gillibrand (N.Y.), Kamala D. Harris (Calif.), Catherine Cortez Masto (Nev.), Elizabeth Warren (Mass.) and Richard Blumenthal (Conn.)"
Source: washingtonpost.com/world/national-security/rod-rosenstein-confirmed-as-deputy-attorney-general/2017/04/25/e59bc3a8-29dc-11e7-be51-b3fc6ff7faee_story.html?utm_term=.b140cae75538