Moderate Democrats and Republicans have found common ground for decades to pass legislation. For example, the core environmental laws which enhanced governmental powers of the EPA (Clean Air and Clean Water Act) were signed into law by Richard Nixon.
But, the tea party republicans are threatening to really bring ruin to the US by failure to raise the debt ceiling and action is needed within 3 weeks.
Kevin McCarthy pulled out of the race for House Speaker, because he would have to cut a deal with the Freedom Caucus to refuse to pass a clean debt ceiling bill. Shep Smith of Fox News, got the story first: