Because..as last time, if we don't INCREASE the debt ceiling, to borrow more and feed the banksters with more interest, for more increased spending, they will lower our credit rating again...for the same reason.
It's pretty much like extortion...on a rather grand scale! Forget the 'politics'..it really has nothing to do with it, at all.....it's just for distracting 'entertainment'!

GfS