results '' `` We know this : No matter what happens tonight , we have nearly the same delegate lead as we had this morning , and we are on our way to winning this nomination , '' Obama told supporters in Texas . Sen. John McCain swept all four Republican contests on Tuesday to become his party 's presumptive nominee . Read about McCain 's victory McCain won primaries in Texas , Ohio , Vermont and Rhode Island , giving him more than the 1,191 delegates needed to clinch the GOP nomination . `` I am very , very grateful and pleased to note that tonight , my friends , we have won enough delegates to claim with confidence , humility and a great sense of responsibility , that I will be the Republican nominee for president of the United States , '' McCain told supporters Tuesday night . Watch McCain claim victory '' Mike Huckabee dropped out of the Republican race after the results came in . `` It 's now important that we turn our attention not to what could have been or what we wanted to have been , but now what must be -- and
-LRB- CNN -RRB- -- Sen. Hillary Clinton got her campaign back on track with projected wins in the Texas , Ohio and Rhode Island primaries . Sen. Hillary Clinton claimed victory in Texas , Ohio and Rhode Island . Delegate-rich Texas and Ohio were considered must-wins for her campaign . Obama , who claimed victory in Vermont , had won 12 straight contests since Super Tuesday on February 5 . Texas also held Democratic caucuses Tuesday , but it was too close to declare a winner . `` For everyone here in Ohio and across America who 's been ever been counted out but refused to be knocked out , for everyone who has stumbled but stood right back up , and for everyone who works hard and never gives up -- this one is for you , '' Clinton said before supporters in Columbus . `` You know what they say , '' she said . `` As Ohio goes , so goes the nation . Well , this nation 's coming back and so is this campaign . '' Obama congratulated Clinton on her victories but downplayed his losses . CNN 's political team weighs in on the