Last GOP President and Congress 2006. Federal Budget Deficit $160 billion
Last Democrat Congress and President 2010, Federal Budget Deficit 1.7 Trillion
If you cannot see the clear difference between the two parties it because you are not even bothering to look.
First of all, the deficit should have been zero with a GOP president and congress.
Second, what was the deficit in 2008? W couldn’t find a veto pen?