I'm a foreigner that relies on the Internet for forming opinions about USA politics, you know.
But since you invited me to pitch in on this matter... from what I have read it seems that the GOP isn't taking the loss of the presidential elections at all well. It is currently driven with a surprising determination to paint itself as quite at odds with Obama, apparently without realizing or caring what that does to the country. As a result, changes have been disappointingly slow (mainly due to congress obstruction) and criticism (teabaggers and the like) has been impressive, not the least due to its general lack of coherence.
The GOP itself is perhaps mortally wounded. It has lost any traces of a true leadership and is now listening to the likes of Rush Limbaugh, Glenn Beck and Sarah Palin. I was surprised that it bothered with proposing a candidate in the 2008 elections, I am surprised now that they bother to go on at all. Far as I can tell, it is now a curious and dying mix of old horses who don't want to be forgotten and dangerous, inflamatory climbers who see some sort of opportunity in the general sense of insecurity and loss.
Congress, from what I have read, is mainly interested in posing to electors right now. Many of its members seem to interested above anything else in lying their hearts out in a very dramatic way, so that votes remember their names and confuse them with some sort of courageous "rogue" worth voting on.
Yet for all their failures, those two interconnected groups are still needed for anything of political significance to be done at the Federal level in the USA. IMO the current situation is a strong signal that some structural change in the model of representation is called for. Unfortunately, such a change would have to come from a grassroots level, which makes it either unlikely, slow or painful. Probably a bit of each.