“Twenty years after accepting the Democratic nomination for president at Madison Square Garden in New York, Bill Clinton returns to center stage Wednesday night in an effort to help — but not overshadow —President Obama,” USA Today writes, adding, “So when the 66-year-old elder statesman nominates Obama — the man who defeated his wife, Hillary Rodham Clinton, for the party nod four years ago — it will mark both a nostalgic moment for Democrats and a reminder that things aren't going nearly as well today.”