Here are some links to interviews he has done.
NPR All Things Considered 8/28/2006 Short audio interview.
G.E. Smith Hits the Web interview by Tom Guerra for Vintage Guitar Magazine.
Six String Planet 9/5/2008 This one has nice audio segments.
Ameriblues.com 8/14/2009 Interview by Monica Yasher in Pittsburg.
27east.com 8/15/2011 Interview by Michelle Trauring including Taylor Barton.
Classicbands.com Interviewed by Gary James.
Premier Guitar 07/18/2012 GE Smith discusses his touring rig for “The Wall”
Guitar World 11/06/2013 GE Smith talks Bass, Republicans, and touring with Roger Waters.
Floating Bridge Episode 1 with Craig Finn
Interview with the Artist 10/17/2014 Audio interview by Walker Vreeland on WBAZ FM.
Archive of American Television 10/05/2015 Video interview by Adrienne Faillace. Over 2 hrs.
Keep Calm and Rock On 10/12/2015 Audio interview nearly 2hrs long.
Al-Jazeera Arts & Entertainment 10/21/2015 Video interview by John Seigenthaler
Floating Bridge Episode 2 with Chad Smith