As expected, John McCain won all four primaries today handily and has clinched the nomination of the Republican Party:
(CNN) — Sen. John McCain will win Texas and become the Republican presidential nominee, CNN projects
McCain swept all four contests in Texas, Ohio, Vermont and Rhode Island, giving him the 1,191 delegates needed to clinch the GOP nomination.
McCain will travel to the White House to be endorsed by President Bush as early as Wednesday, sources tell CNN.
Not a surprise at all.

[...] with John McCain clinching the GOP nomination last night, the Republican Presidential campaign is, for all practical purposes, over. [...]
[...] The race went on and yesterday, John McCain secured enough pledged delegates to win the Republican nomination. [...]
Take a look at how the clinching has been going along during this whole election process. No one threw dirt at McCain, like Hillary threw at Obama. The Republicans have a very rigid system without the Clintons in it.
When Obama gets the dirt on Hillary right, and how to use it, he will clinch his nomination as well. It’s a terrible world with the Clintons and the like in it.
Source: http://politics.nytimes.com/election-guide/2008/results/index.html