Why are Americans Upset With Their Government?

Submitted by Jake Berliner on 5/19/10

Senator Judd Gregg's theory is below:

Gregg says Americans are frustrated with Washington and are lashing out at incumbents because of high spending and deficits. He's not the only one voicing this theory. Is he right? What is his evidence? Is spending more of an issue than high unemployment and a decade of stagnating wages and declining incomes?