Lama Surya Das, Daniel C. Esty Tonight Stephen welcomes the head of Yale's Center for Business the Environment, Dan Esty. Also Stephen talks with Lama Surya Das about whether Barack Obama should become a Tibetan Buddhist. Details Casts Galleries Posters Season Lists Title Lama Surya Das, Daniel C. Esty Genres News Comedy Release Date 2008-07-14 Episode Runtime 00 Hours 24 Minutes Season Number 4 Episode Number 87 Production Companies Busboy Productions, Spartina Productions Stephen Colbert... Self - Host... Original Size (1920x1080) Original Size (1280x720) Original Size (2000x3000) Season 1 32 Episode(s) 2005-10-17 Season 2 161 Episode(s) 2006-01-09 Season 3 138 Episode(s) 2007-01-08 Season 4 160 Episode(s) 2008-01-07 Season 5 161 Episode(s) 2009-01-05 Season 6 161 Episode(s) 2010-01-04 Season 7 124 Episode(s) 2011-01-03 Season 8 155 Episode(s) 2011-10-03 Season 9 155 Episode(s) 2012-10-01 Season 10 160 Episode(s) 2013-09-30 Season 11 40 Episode(s) 2014-09-29