The truth is that is isn't all that difficult to track what percentage of the deficit is due to one President's policy versus another, and what portion is due to recessions, and what portion is due to mandatory spending programs (i.e. entitlements) which predate both presidencies but are affected by factors like increasing healthcare costs and recessions. Both Presidents have added to the deficit problem. With Bush it was two wars, tax cuts, and Medicare Part D. With Obama it is mainly the stimulus bill and some other, smaller things. Yet there is a subtantial part that was caused by this recession, a lesser amount caused by the 2000-2002 recession, and a hefty part that is due to entitlement spending not being containable in the longrun without serious reform. This last part is an old legacy. As for the two recessions, it is a debatable and complicated question of who or what was responsible for each.
- wolf