I'd been in Kenya previously working on The Constant Gardener .
"Daniel Sallis "Danny" Huston" is an American actor, writer and director. Huston got his start directing Mr. North starring Anthony Edwards, Robert Mitchum and his sister, Anjelica Huston. Later, Huston gave his breakthrough acting performance in the independent film Ivans Xtc and was nominated for Best Male Performance at the Independent Spirit Awards in 2003.
His film credits include Birth (film)/Birth opposite Nicole Kidman, Martin Scorsese’s The Aviator (2004 film)/The Aviator, for which the ensemble cast was nominated for a 2004 Screen Actors Guild Award, The Constant Gardener, for which he received the Golden Satellite Award for Best Supporting Actor for his performance; Sofia Coppola’s Marie Antoinette, Peter Berg’s The Kingdom (film)/The Kingdom, Ridley Scott’s Robin Hood (2010 film)/Robin Hood and Sacha Gervasi’s Hitchcock (film)/Hitchcock. Huston’s latest film, The Congress (2013 film)/The Congress, opened the 45th Director’s Fortnight sidebar at the Cannes Film Festival on May 16, 2013. Huston co-starred in Tim Burton's film Big Eyes, alongside Christoph Waltz, Amy Adams, Krysten Ritter and Jason Schwartzman. As of 2013, he has appeared in the FX (TV channel)/FX thriller series American Horror Story, portraying in American Horror Story: Coven and Massimo Dolcefino in American Horror Story: Freak Show.More Danny Huston on Wikipedia.
I think that John is also making that point to the American voter who feels that he can't make a difference because it's all too rotten, that if one is inquisitive enough, then maybe that spark can be ignited.
If one got too concerned with motivation, his eyes would kind of roll. He and John have collaborated before, so there was a good shorthand there.