Between elected delegates and committed superdelegates, Barack Obama had, with these primaries, locked up enough delegates to win the nomination as Democratic candidate for president.
Hillary Clinton on the Final Primary Night of the Nomination Battle
Picture of Hillary Clinton after South Dakota and Montana Primaries
Hillary Clinton appears on primary night after the South Dakota and Montana primaries.
Hillary Clinton on the final primary night of the 2008 race for the Democratic presidential nomination
Justin Sullivan / Getty Images