Obama named Caroline Kennedy and two party insiders -- Jim Johnson and Eric Holder -- to the team that will begin vetting the possible second name on the presidential ticket.
Kennedy, daughter of the late president John F. Kennedy, is a beloved figure in the Democratic Party -- and had helped secure Sen. Ted Kennedy's backing for Obama early in the primary race.
Obama also told reporters Wednesday that he had spoken with Clinton and expressed optimism that the party's unity could be renewed.
Next to figuring out how to defeat McCain, deciding how to handle Clinton may be Obama's most vexing political problem.
On Tuesday afternoon, Clinton said she would be "open" to the idea of being Obama's running mate. Clinton reportedly made the remarks during an afternoon conference call among members of the Democratic Party's New York congressional delegation.
"I think a lot of her supporters would like to see her on the ticket," said her campaign chairman, Terry McAuliffe said.
"There is no deal in the works," said Obama's spokesman, Robert Gibbs. More...