. >> arizona democratic congressman raul grijalva says the pace of deportations is a political strategy. >> i think there was a belief once that if we were really hard on the issue of enforcement that that would bring the more conservative members, republicans, of congress around because they would see that you're being strong on security therefore we can do family unification, path to legalization. unfortunately, that strategy of being tough, hasn't really swayed a significant amount of votes. >> congressman david valadao is one of just three house republicans who support comprehensive immigration reform -- including a pathway to citizenship for undocumented immigrants. >> you're one of a handful of who support hr-15, right? why do you think your party doesn't support that? >> some people are concerned with the comprehensive approach because it's one bill that covers all bases and when they think comprehensive it always brings thoughts of comprehensive health care reform, obamacare. and so i think that bring a lot into it and they want to take a step by step approach. and i don't have