California's Senate results are eyebrow-raising. Sen. Dianne Feinstein leads fellow Democrat Kevin de Leon just 54 percent to 46 percent -- a lot closer than most people thought it would be. Is it huge turnout among progressives? (De Leon was challenging Feinstein from the left.) Is it that Republicans just instinctively voted against their old nemesis Feinstein? My guess, looking at the county-by-county results, is the latter.