The sequestration idea came from the Obama White House.
Obama signed it in to law.
Personally I think it's close to treason using our national defense as a pawn. If the Defense budget is only 20 % of the federal budget, why should the military take 50 % of the cuts if sequestration happens ?
During Obama's first term he had already initiated $500 Billion dollars in defense cuts and he wants more !
As you have pointed out before, G.W. Bush kept the funding to fight a war against terrorist and two wars in Iraq and Afghanistan separate from the normal defense budget.
When Obama became POTUS he combined the cost of fighting the wars in to the defense budget. This should have been done day one on 9-12-01.
That's why when you look at defense spending today it seems on paper that defense spending has increased under Obama but you don't see the huge defense cuts Obama has already made.
I'm one of those conservatives who believed that there should have been a war tax that every American paid and that means every American including the 48 % who pay no individual income taxes at all.