This week on Upstream we spoke with Irwin Tang about his latest book, Gook: John McCain's Racism and Why It Matters.

"The portrait of John McCain painted in Gook is far more disturbing than any racial epithet. A central thesis of Gook: war fertilizes racism, and racism justifies wars and the killing of civilians. This dynamic thrives within the most dangerous leaders of the world. Is John McCain one of them?"