Joe Lieberman Supports John McCain on Free Tradebr Hubert H. Humphrey Institute of Public Affairs - Hubert H. Humphrey Institute of Public Affairsbr Joe Lieberman argues that John McCain's experience in foreign policy is "unmatched" and would provide a steady hand in troubling times.Lieberman and his fellow panelists focus on how McCain would approach public diplomacy, trade, energy independence, and confronting America's adversaries.