Ken Rudin, Political Junkie, NPR
Wayne Yoshioka, political reporter, Hawaii Public Radio
John Gramlich, staff writer for legal affairs, CQ Roll Call
Peter Overby, Power, Money and Influence correspondent, NPR
The tragedy at Sandy Hook Elementary School in Newtown, Conn. prompted new conversations about gun regulation in America. President Barack Obama has vowed to take "meaningful action," but the current political landscape poses challenges for the administration and members of Congress who want stricter gun legislation.