The Democratic leader had become fed up with Republican demands for votes on motions to suspend the rules after the Senate had voted to limit debate earlier in the day.
[Republican Leader Mitch] McConnell had threatened such a motion to force a vote on the original version of President Obama’s jobs package, which many Democrats don’t like because it would limit tax deductions for families earning over $250,000. The jobs package would have been considered as an amendment.
McConnell wanted to embarrass the president by demonstrating how few Democrats are willing to support his jobs plan as first drafted.
October 6, 2011
The "shocking development," reports The Hill, blocks Republicans "from forcing votes on uncomfortable amendments after the chamber has voted to move to final passage of a bill":