2008 Republican presidential primaries were the selection process by which voters of the Republican Party chose its nominee for President of the United States in the 2008 U.S. presidential election . Senator John McCain of Arizona was selected as the nominee through a series of primary elections and caucuses culminating in the 2008 Republican National Convention held from Monday , September 1 , through Thursday , September 4 , 2008 , in St. Paul , Minnesota . President George W. Bush was ineligible to be elected to a third term due to the term limits established by the 22nd Amendment
2008 Republican National Convention
2008 Republican National Convention
2008 Republican Party presidential primaries