Conversation so far:
When did Rick Santorum get into politics?
Rick Santorum first became actively involved in politics in the 1970s through volunteering for Senator John Heinz, a Republican from Pennsylvania.
What role was Rick Santorum in 1995?
Rick Santorum served in the United States Senate representing Pennsylvania from 1995 to 2007.

Question: What was his first notable accomplishment as a senator?
Self-contained rewrite: What was Rick Santorum's first notable accomplishment as a senator?