 The remaining 3.2 percent of the vote went to the Libertarian nominee, Joseph Morse.Despite her Democratic heritage, Zaffirini is known for her ability to work across party lines, particularly her friendship with Republican former Lieutenant Governor David Dewhurst, the presiding officer of the state Senate, who lost the Republican primary for the U.S. Senate in 2012 to Ted Cruz and subsequently failed to win re-nomination in 2014 at the hands of State Senator Dan Patrick.Zaffirini had a similar close tie to the late Democratic Lieutenant Governor Bob Bullock, for whom the Laredo Loop 20 interchange is named.