After recording win after win in primaries and forcing his main opponent to call it quits, Senator John McCain made a trip to the White House on Wednesday to get President Bush's endorsement for president.

McCain clinched the GOP presidential nomination after wining Tuesday the primaries held by the states of Ohio, Texas, Vermont and Rhode Island.

“Now, we begin the most important part of our campaign…to make a respectful, determined and convincing case to the American people that our campaign and my election as president, given the alternatives presented by our friends in the other party, are in the best interests of the country we love,” said McCain in front of an animated crowd of supporters in Dallas after the results of the primaries came in.

The Arizona Senator needed 1,191 delegates to obtain the Republican Party nomination and had 1,226 after Tuesday's voting, the CNN reported. This made Wednesday a “logical time” for the endorsement.

The next step McCain will probably make is to solidify the support among conservative Republicans, the majority of whom supported his opponents.

"I think the endorsement of President Bush will certainly go a long ways toward that. John McCain is going to be very focused on our base and the people that he wants to have in full force behind him," Republican Sen. Kay Bailey Hutchison of Texas said Wednesday according to CNN.

However, McCain’s decision to visit the White House seeking Bush’s endorsement is a risky one. The Arizona lawmaker needs Bush’s help with the Democratic Party’s conservative base, but through this endorsement McCain risks losing moderate Republicans as well as independent voters and these two categories of voters will most certainly be the key to his possible victory in November.

What the inhabitants of some small towns in Vermont did – voting to approve a measure that instruct the local police to arrest Bush and Cheney for “crimes against humanity” – is an isolated case just because those people had this initiative. But the irritation with the Bush administration is, by no means, an isolated case.