Conversation so far:
What role did Joe Lieberman play in the creation of DHS?
Senator Joe Lieberman led the fight to create a new Department of Homeland Security.
Did Joe Lieberman's efforts to create a new DHS lead to the creation of the department?
After the terrorist attacks on September 11, 2001, Joe Lieberman introduced legislation to reorganize the federal government to better protect the American people from terrorism and natural disasters.
Was Joe Lieberman's anti-terrorism legislation popular?
After months of opposing the plan, the White House eventually endorsed the concept.
What happened next after the White House endorsed Joe Lieberman's anti-terrorism legislation?
Legislation that passed Congress in 2002 created a department incorporating key organizational elements Senator Joe Lieberman advocated.
Did Joe Lieberman play a role in the DHS after its creation?
In 2006, Joe Lieberman and Susan Collins drafted legislation to reshape the Federal Emergency Management Agency. The legislation elevated FEMA to special status within the Department of Homeland Security.
After the Department of Homeland Security was created, did Joe Lieberman continue working in it?
What was the result of Joe Lieberman's involvement with FEMA?
The legislation passed Congress in September 2006.

Question: Did he introduce any other legislation?
Self-contained rewrite: Did Joe Lieberman introduce any other legislation?