 He voted to defund Planned Parenthood before 2015, but has since voted in support of Planned Parenthood.In August 2015, his campaign treasurer, Kathy Davis, who had worked on a volunteer basis for four years, resigned from his campaign because he voted to defund Planned Parenthood after videos surfaced of Planned Parenthood officials discussing fetal tissue donations.He was one of only two Democratic Senators who voted to defund Planned Parenthood on this occasion, the other being Joe Manchin of West Virginia.