Just imagine the kind of damage the Gingrich revolution or the Tea Party could do if the political agenda was determined by them in the House, and the only thing stopping them was Harry Reid and a handful of Blue Dog Democrats.
I don't think that's such a bad thing. Someone like Gingrich may not have come to power if the US were under a parliamentary system. If he did, he would have ultimately been held accountable for his actions. It's one thing to hold a position, but it's quite another to actually enact it.Are you sure? If it was Prime Minister Reagan he probably could have held power till the day he died, with no term limits and only popular support from the caucus required to stay in power. Even if they were to lose the next election, they have that power in the mean time to push their agenda. Our Prime Minister right now is slashing education funding, pawning off public assets, dismantling environmental protection laws, dismantling hate crime laws, reinstating knights and dames, violating Indonesian sovereignty, etc. etc. At least with your Republican House you have Obama's veto.
I agree with the accountability argument, but it's also dependent on having an Opposition that is cohesive and well-organized. I guess I should explain that our Labor Party has a really terrible time with being organized and supporting the leader. It's the one thing that the conservatives know how to do well, fall in line behind the leader as they all go like lemmings off the cliff.
There's another thing I forgot to mention, which is that in Australia we have a federal government agency that does the redistricting, which works pretty well. I truly don't believe a federal parliament could work in the United States without a federal agency doing the redistricting.