ABCNews -- Vast economic discontent marked the mood of Tuesday's off-year voters, portending potential trouble for incumbents generally and Democrats in particular in 2010. Still the gubernatorial elections in Virginia and New Jersey looked less like a referendum on Barack Obama than a reflection of their own candidates and issues. The gubernatorial elections in Virginia and New Jersey looked less like a referendum on Barack Obama than a reflection of their own candidates and issues. Still, the two Republican victories, in predominantly Democratic New Jersey and in purple Virginia, had to smart. Just under half the voters in Virginia, 48 percent, approved of the way Obama is handling his job, rising to 57 percent in New Jersey. Most in both states,...