06/14/2008 05:12 am ET Updated May 25, 2011

Clinton's Farewell And Obama Endorsement: What To Expect

Frustrated in defeat, Democrat Hillary Clinton is to endorse U.S. campaign rival Barack Obama on Saturday and party strategists said she needs to set aside any bad feelings and put on a convincing show of unity.

"Feelings on both sides have been pretty heated and a healing process has to go on and it has to begin tomorrow," said Democratic strategist Doug Schoen, who worked in the Clinton White House.

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