[junkcollector]

There is also the fact that the renewal vote happens on an election cycle. If the republicans hold the house, the tax cuts will be renewed. If the democrats take control, they will be forced to expire the cuts since they are planning to campaign heavily on the tax bills as bad for the public. This means that if the GOP loses control, the following year taxes will go up on most voters and help reinforce the GOP narrative of the Democrats as the party of taxation.