Conversation so far:
What were Joe Lieberman's political positions?
Genuinely an Independent.
What issues are important to Joe Lieberman?
On domestic issues, Joe Lieberman strongly supports free trade economics while reliably voting for pro-trade union legislation.
What else does Joe Lieberman support?
Joe Lieberman is a supporter of abortion rights and of the rights of gays and lesbians to adopt children.
Does Joe Lieberman support any more causes?
The rights of gays and lesbians to adopt children, to be protected with hatecrime legislation, and to serve openly in the military.

Question: What other things does he advocate for?
Self-contained rewrite: What other things does Joe Lieberman advocate for?