I think they should take this subject soon.

They planned like what...end of Feb 2010 to take it into main topic?

If so, they should start discussing now. The longer they delay, the less chance it will pass and get forgetten.

I think I know Republican's strategies. They think they will win in midterm election next year, so to increase their win in immigration topic, they will do their best to delay more and more. I really wanna see the actions and I think only one I see is Gutierrez pretty much. Most politicians do seem to evade this topic since it may backfire their votes from angry US citizens.