DENVER, Colorado (CNN) -- Sen. Hillary Clinton introduced herself as a "proud supporter of Barack Obama" at the Democratic National Convention on Tuesday as she called on her party to rally behind her former rival. Sen. Hillary Clinton, with daughter Chelsea, receives a standing ovation from the Democratic delegates. "Whether you voted for me, or voted for Barack, the time is now to unite as a single party with a single purpose. We are on the same team, and none of us can sit on the sidelines. This is a fight for the future. And it's a fight we must win together," she said.
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NEW: Hillary Clinton: The time is now for Democrats to unite
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NEW: Barack Obama calls Clinton and thanks her for her support
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Speakers at Democratic convention tie McCain to Bush policies
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Former Virginia Gov. Mark Warner appeals across party lines in keynote address
Her speech, which was the last of the night, followed a line up of other Democrats who used their time at the podium to attack President @placeholder's record and McCain's policies.