darla? caller: my question was, are the johnsons the last president to were former slave owners, or were there more presidents after them? >> thank you very much. that's a good question. i wanted to say no. group -- king of an sorry, ulysses s. grant was to slavery. so the presidents after that did not. history part of our ends with the johnson administration. the first six, seven presidents ll did have slaves other than the johnsons, other than john adams and john quincy adams. hey were the only two of the early presidents who didn't have slaves. and basically stopped with zachary taylor. think he was the last president that literally brought slaves to the white house with him. after that, they didn't. >> next, a question from tennessee, jonesboro. carol.r caller is hi, carol. caller: hello? >> you're on. caller: okay, thank you. yes. husband's mother marry martha patterson's daughter, which johnson'se been andrew grand daughter some years ago. jonesboro two specifically to talk to my time sayingw at the that she feels -- that her thankful thats so 34i husband's great -- great, grandfather ha