Edwards’ endorsement another blow to Clinton

obamaedwards.jpgJohn Edwards’ endorsement of Barack Obama isn’t a game-changer, and it won’t cause white, lower-income voters to abandon Hillary Clinton for Obama. But the endorsement is another blow to Clinton’s efforts to persuade superdelegates to support her. Today, four of Edwards’ delegates came out in support of Obama, as did the United Steelworkers Union.