into committee. republicans could try to torpedo the bill with hundreds of amendments. conservative former senator jim demint is already trying to kill the bill. he rolled out a report putting the cost of immigration reform at $6.3 trillion, but even senators are saying that's not right. >> they don't the conservatives behind them. they don't. i'm a conservative. grover norquist is a conservative. >> paul ryan, haley barbour all penned the study, but it's not just republican objections that could stop immigration reform. senator pat leahy could offer an amendment to let gay couples sponsor their immigrant partners, something that now all four republican members of the gang of eight have said will doom the bill. >> a lot of people want to kill the immigration bill no matter what. we will have votes on this.