Possible presidential candidate and former North Carolina Sen. John Edwards told some 3,400 union delegates and others Monday that the Democratic Party needs to show "a little backbone” by taking up the cause of universal health care again. "One of the ways we can show some backbone and courage is we can speak out and we can say we're not for access to health care ... and all those weasel words that politicians like to use,” he said. "We're for universal health care for every single man, woman and child in America and we are going to fight for it...