(CBS/AP) CBS News projects Republican Sen. John McCain will win Republican primaries Tuesday in Ohio, Texas, Vermont and Rhode Island. McCain's last Republican rival, Mike Huckabee, dropped out of the race after the results came in.
According to CBS News estimates, he is approaching the 1,191 delegates needed to clinch the nomination. Click here for the latest tally.
CBS News reports that McCain will travel to the White House tomorrow where he is expected to receive the endorsement of President Bush, according to Republican officials.