It's his now, he owns it. The Democrat Party owns it.
It's their responsibility to respond to it, but you'd have a hard time convincing anyone but hardcore Republicans that Democrats are responsible for the situation TODAY, given they only started passing bills a couple of weeks ago.
Certainly Geithner bears responsibility for not handling the bank crisis well so far, but that is one small part of a snowball that has been building up for a long time. The toxins on the balance sheets were there before January 20 and are there today and we're just debating how to respond. The ongoing destruction of wealth is far beyond a President's ability to stop it. It will run its course.