The Senate voted Thursday against a budget amendment that backs finding a way to pay for the military fight against the Islamic State in Iraq and Syria (ISIS).Senators voted 46-54 on the amendment, offered by Sen. Chris Coons (D-Del.). Republican Sens. Marco Rubio (Fla.), Rand Paul (Ky.) and Lindsey Graham (S.C.), all potential 2016 contenders, as well as Sen.