A week ago Thursday, the Center on Budget and Policy Priorities (CBPP), a nonpartisan not-for-profit think tank, found that the wars, spending cuts, and Great Recession of the Bush administration account for nearly all of the budget deficit.
The above graph shows the influence of certain factors on the deficit. Note the virtually nonexistent deficit indicated by the black line toward the bottom of the graph estimating the deficit without those factors.
Another falsity perpetuated by the right-wing propaganda machine is that spending has increased dramatically under Obama. This simply is not true, as indicated by the following:
The CBO (Congressional Budget Office) data can be found here. The Office of Management and Budget also has relevant information and data tables here. Even with the stimulus bill under President Obama, spending is still increasing at the slowest rate since the 1950s.
Obama has not increased spending except by less-than-normal levels, and is not responsible for the deficit. We can thank Bush for that.