The early-voting phenomenon

"In Charlotte, N.C., an elderly black woman showed up at a community college eager to cast a ballot for Barack Obama. The line ahead of her was daunting — at least two hours long. She knew she could not stand for two hours, so she went home.The next day she came back with a folding chair. She sat down at the end of the line, which was even longer than the day before. Every few minutes, as the line inched forward, the woman would get up, move her chair ahead a little bit and sit back down."  ... Bob Herbert, New York Times ...