Conversation so far:
Did Rudy hold a political position when Rudy Giuliani was running for senate in 2000?
Republican.
Was Rudy still a mayor when he was running for senate?
Due to term limits, Giuliani could not run in 2001 for a third term as Mayor.
Who was his Democrat opponent for this race?
then-U.S.
First Lady Hillary Clinton.
How was Hillary Clinton received by the public at that time?
An early January 1999 poll showed Giuliani trailing Clinton by 10 points.

Question: What was a major topic that was discussed by the candidates during the campaign?
Self-contained rewrite: What was a major topic that was discussed by the Rudy Giuliani and Hillary Clinton during the campaign?