Robert Holmes Tuttle is a former United States Ambassador to the United Kingdom. He held the post from July 2005 to February 2009. Wikipedia*
On the C-SPAN Networks:
Robert Tuttle has three videos in the C-SPAN Video Library; the first appearance was a 2003 Call-In. Most appearances with Richard P. Nathan (2), Ira C. Lupu (2). Most common tag: Religious Issues.