Complex sentence: He indicated he needed to know "whether, indeed, there are people who are born homosexual", in which case it would be wrong to punish them; he would not sign the bill until that matter had been clarified.
Split into simpler sentences: He indicated he needed to know "whether, indeed, there are people who are born homosexual", in which case it would be wrong to punish them. He said that he would not sign the bill until that matter had been clarified.