GOP front-runner Sen. John McCain picked up an endorsement Monday from former New York Gov. George Pataki, providing a last-minute boost before Super Tuesday.
McCain also has won the support of Arnold Schwarzenegger, governor of delegate-rich California.
Those endorsements could play a role in Tuesday's vote, as the support of Florida Gov. Charlie Crist did in his state's primary.
According to exit polls, more than 40 percent of Florida primary voters indicated Crist's decision to back McCain had an effect on their vote, and those voters went to McCain overwhelmingly.
Recent polls show McCain with a comfortable edge heading into Tuesday's 21 Republican contests. Read full article »
CNN's Paul Steinhauser, Rebecca Sinderbrand and Dana Bash contributed to this report.