Today on Boston Public Radio:

— NBC “Meet the Press” moderator Chuck Todd discussed former Secretary of Defense James Mattis’ rebuke of President Trump in "The Atlantic," as well as pusback from current Secretary of Defense Mark Esper on the issue of using military force to quell Black Lives Matter protests.

— We opened lines to talk with listeners about James Mattis’ condemnation of President Trump, and hear your thoughts on the president's response to Black Lives Matter protests.

— Former Suffolk County Sheriff and Secretary of Public Safety Andrea Cabral discussed the role that police unions play in perpetuating police violence, and weighed in on the purported significance of officers who take a knee with Black Lives Matter protesters.

— We reopened lines to ask listeners: is peaceful protesting too peaceful to be heard?

— Partners in Health Co-Founder Dr. Paul Farmer spoke on the state of Massachusetts’ contact tracing initiative, and responded to question from listeners.