other aspects of the bill. >> reporter: cruz doubling down. >> i oppose legalization for illegal aliens. i always have. and i always will. >> reporter: the texas senator fighting for the donald trump voters. but fighting against trump on the other side of the aisle, hillary clinton. sending a personal plea to the trump-loving father of this young woman. >> hi, shawn. i'm here with your daughter. i hope you can see, i don't have horns. and i really do hope that as this election goes on, you'll listen to your daughter. thanks. bye. >> reporter: we'll see how that work out for her. all eyes on this stage behind me. the final preparations are under way for the final democratic debate of 2015. cecilia vega, abc news, manchester, new hampshire. >> watch the democratic debate hosted by abc's martha raddatz and david muir. that's tomorrow night at 8:00 eastern and 7:00 central.