Aside from promoting a a false, unethical "therapy", Rachael says that Richard's views have reached Uganda where they are drafting new legislation to give gays life or death sentences. Rachael's point is that by creating the (false) idea that sexual orientation is a choice, it is easier for legislators to treat is as a chosen behavior that a law abiding citizen can and should suppress.
Rachael's debate is on her show, the Rachael Maddow Show, which runs today at 9P, 11P, and 2A
Chances are, the video clips for tomorrow's show won't be there till Wed. But the above link should get you to the clips once there.
Or Ti-Vo, DVR it. i-Tunes podcast (free). Pick a time to watch.