ABC News’ Sunlen Miller reports: Sen. Barack Obama, during his rally today in Mitchell, S.D., congratulated Sen. Hillary Clinton for winning Puerto Rico and confirmed that he called her to express his sentiments.
"I just got off the phone with Sen. Clinton. She is gonna win Puerto Rico and I wanted to congratulate her for that," Obama said to the crowd.
Obama said the two Democratic presidential hopefuls are now on the brink of the last primaries and assured the audience that there will be party unity. Obama said Clinton will be a great "asset" going into November.
"I know there have been alot of Democrats who have been concerned about whether or not the party is going to be able to come together after this long contest. And whether Clinton supporters will support Obama and whether Obama supporters will support Clinton," he said. "Listen, first of all, Sen. Clinton is an outstanding public servant, she has worked tirelessly on this campaign, she has been a great senator for the state of New York and she is going to be a great asset when we go into November to make sure that we defeat the Republicans. That I can promise you."