This week on Matter of Fact, award-winning hip hop artist turned advocate Common joins Soledad O’Brien for a discussion on social activism, artistic power and potential political aspirations. Why he is using his platform and musical influence to call out gun violence and mass incarceration. Then, April marks the 50th anniversary of the assassination of Rev. Martin Luther King, Jr. While the country broke out into riots following his death, a teacher in rural Iowa was inspired to teach her students a lesson in discrimination, sparking national controversy. Why she says there is more racism today than in 1968. And, Pastor Samuel Rodriguez is a Latino evangelical minister, who preaches to thousands each week in Sacramento and around the country. He is also an unofficial adviser to President Trump. He joins Soledad O’Brien to discuss separating the political agenda from a candidate’s personal moral turpitude and why he believes he is on a mission from God.