Noted philosopher and gender theorist Judith Butler discusses nonviolence, grievability and "radical equality" in her book "The Force of Nonviolence: An Ethico-Political Bind."

Lauren Duca counters the claim that Gen Z and millennial cohorts are detached from the political process with examples of people moved, primarily by the ascendency of Trump, to advocate for change.

Pope Francis understands that what is at stake is not just a matter of calling for more ethical behavior by leaders in the system, but an actual reform of the system and how it works.

"Dorothy taught me to pay attention and feel the sufferings of others," said Martha Hennessy, one of Day's granddaughters.

Several political artists were been nominated for Grammys this year, including Rhiannon Giddens, bluegrass outfit Che Apalache and Kenyan folk singer J.S. Ondara.

For Rauschenbusch, the Christian faith had a "revolutionary" potential.