That’s an individual choice. But imposing boycotts from the outside isn’t how politics works.
Dave Zirin is the author most recently of Brazil’s Dance with the Devil: The World Cup, The Olympics, and the Fight for Democracy.
Colin Kaepernick's protest is part of a long history of black athletes taking politics to the field.
Muhammad Ali’s resistance to racism and war belongs not only to the 1960s, but the common future of humanity.