 He made clear that his support was about the 2014 midterm elections and not an endorsement of a potential presidential bid by O'Malley in 2016.However, Swalwell did ultimately endorse O'Malley in July 2015.Swalwell was challenged in 2014 by Republican Hugh Bussell, a senior manager at Workday, Inc., and by Democratic State Senate Majority Leader Ellen Corbett of Hayward.