Well we had The Discussion. It went very well! I ended up very glad I made this time investment. My daughter seemed very happy that I did this. Mostly, she just listened and I think her views are more libertarian and less liberal than I thought based on the few short conversations we had before. Mostly, I think she thought my husband and I didn't really understand the issues and that we were just regurgitating conservative propaganda (and we thought she was doing this from the liberal side). But, in the end, we are closer than we thought! Yay!
Thank you all who contributed to this thread, helping me much more easily sift through loads of articles and rhetoric. You made my job much easier!