Clinton endorses Obama, calls for party unity

Sen. Hillary Clinton of New York announced Saturday she was suspending her presidential campaign, saying in a speech to her supporters, "I will continue to stand strong with you every time, every place and every way that I can." She urged the cheering crowd to support Illinois Sen. Barack Obama, presumptive Democratic nominee, in his bid for the White House, saying they should "take our energy, our passion and our strength and do all we can to help elect Barack Obama ... I ask all of you to join me in working as hard for Barack Obama as you have for me."