They aren't afraid to ram something through. Look how they passed Medicare plan D.
The political process used to pass Part D was the worst abuse of the legislative process I have seen during my 20 years in Congress. In the months before its passage, a few powerful Republican leaders worked to undermine conscientious reform proposals. In early 2003, while the House bill was being drafted, Democrats and Republicans authored 59 sensible amendments to it. At the behest of the Republican leadership, however, the House Committee on Rules rejected all but one, preventing them from being debated by Congress. Many of those amendments — among them, one requiring the administration to use beneficiaries' collective purchasing power to negotiate lower prices and one allowing Americans to import cheaper drugs from Canada — would have made the legislation far more effective and probably would have received bipartisan support, had they been allowed onto the floor.
Next, the conference process, whereby the House and Senate versions of legislation are reconciled, was fundamentally corrupted and kept almost entirely secret by senior Republicans. Democrats on the conference committee were excluded from deliberations, to the point of being physically barred from the conference room on one occasion. The pharmaceutical industry, however, was invited in.
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http://content.nejm.org/cgi/content/full/354/22/2314Democrats are timid and submissive, that is why the walking stick we wanted has been whittled down to a tooth pick.