Being Black and an immigrant is an increasingly common phenomenon in the South, where 1 in 10 Black people are immigrants. Still, despite growing numbers of Black immigrants in the region, their experience is fraught with worries over discrimination and assimilation. NPR's Leah Donnella reports on hurdles Black immigrants face in order to drive in Tennessee, a state with one of the fastest growing populations of Black immigrants in the South, and with few options for transportation.