Spending-Driven Debt?

Ezra Klein rants against Boehner's use of a term, What do Republicans mean when they say ‘spending-driven debt’? Here's one of his two graphs:



and his ending: "So if you read the chart carefully, you would say we should reverse the tax cuts, stop launching so many deficit-financed wars, and make sure we regulate the financial sector so it doesn’t blow up again. But that’s not exactly the Republican agenda right now."