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(CNN) - Democratic White House hopeful Barack Obama called Republican John McCain at 8:30 CST from his hotel in San Antonio, Texas. He congratulated the Arizona senator on his apparent victory in the GOP contest, and told him he looks forward to running against him in the fall.
–CNN's Candy Crowley and Jessica Yellin
UPDATE: CNN's Candy Crowley and Dana Bash report that Hillary Clinton also called John McCain Tuesday night to offer congratulations on his win.