More on the Gephardt Rule
Sarah Binder, an expert on Congressional procedures, provided the following back in October: Reality check: ‘Gephardt Rule’ alone can’t fix the debt limit crisis.
She noted three reasons (read the whole thing for the details):
First, the Gephardt Rule applies only in the House.
Second, the Gephardt Rule did one thing particularly well: It empowered the House to shift the blame to the Senate for raising the debt limit.
Third, the success of the Gephardt Rule is contingent on a functioning budget process,
That last one is rather key.