Senate republicans have enough votes to block the bill.
The House voted 234-188 Thursday to pass legislation that would extend only some of the expiring Bush-era tax cuts, sending the bill to the Senate.Three republicans voted with the democrats to extend only the middle class tax cuts.
Twenty Democrats broke with their party and voted against the bill after 33 had defected in a previous test vote. Most of those who voted with Republicans on the first ballot were members of the centrist Blue Dog Coalition, and many lost their bids to be reelected last month. More at the Hill