Half the audience who showed up last week to see John Edwards' first South Carolina appearance since he won his home state's primary in February walked out before he arrived - two hours late. And in another sign of trouble in paradise, the state's Democratic Senate candidate - whose campaign the Edwards visit was supposed to boost - declined to be seen on the same stage with him. Democrat U.S. Senate hopeful Inez Tenenbaum "has gone to great lengths to distance herself from the national party," reports the South Carolina newspaper, The State. Edwards "is about as close as she’s...