we will have more on this after headlines with duke university professor william darity. a group of over 100 scholars of democracy released a joint statement calling for president biden and congress to take action in the face of mounting attacks on voting rights from republicans. the letter, published by the think tank new america, comes two days after texas democrats staged a walkout sunday night to block a sweeping voter suppression bill. the scholars say that in addition to passing a new voting rights act, lawmakers also need to address partisan gerrymandering and regulate ethics and money in politics. the biden administration has formally terminated the contested trump-era migrant protection protocols, also known as remain in mexico. the 2019 policy forced some 68,000 asylum seekers toait in often dangerous conditions in mexico while their cases made their way through u.s. courts. the biden administration says about 11,000 asylum seekers who were enrolled in mpp have been allowed into the u.s. since january. immigrant justice groups celebrated the news but have vowed

william darity is a professor of economics and african american studies at duke university who has longdied and written about this. professor darity, very good to see you. thank you so much for joining us. we know what happened in tulsa 100 years ago, horrible, in human terms. what about in economic terms? what did it mean over time, not only for the people of tulsa, but more broadly for black americans across this nation? >> so it's been estimated the property losses, apart from the casualties and death, the property losses are estimated at a present value of in excess of $600 million today, and the implications across time have to do with the deprivation of resources for multiple generations. tulsa's only one examples or one instance of this ty of atrocity. there were upwards of 100 massacres of this type that took place in the united states, from the end of the civil war into the 1940s, which had tremendous implications for the capacity of previous generations of black americans to provide resources for subsequent generations. >> woodruff: and you've done a lot of thinking, a lot of

. >> reporter: kirsten mullen and her husband, william darity, is a professor at duke university.wly freed were left with nothing. >> the former slave holders were back in control of the properties they previously held. that meant at a location like stagville, the land was not distributed to the folks who had worked here. >> reporter: the federal government famously promised those formerly enslaved 40 acres and a mule. that promise was broken, as were many more to come. mullen and darity have become leading voices for the arguments that, to this day, this country owes a debt to black americans: reparations. >> we've argued if the 40-acre land grants had been given, we wouldn't need to have a conversation today about reparations for black american descendents of u.s. slavery. >> reporter: a lot of people, when they hear the argument about reparations, they think this was a long time ago. what relation does it have not only to my life but to today's economy. >> we think slavery is the first prohibition action for white people. >> reporter: blacks were repeatedly shut out. largely de