President also expressed concerns about her romance with political mentor
- New book claims that Jill Biden was opposed to selecting Harris as running mate
- Harris lashed out at Joe Biden in primary debate over his opposition to busing
- Biden was under fire at the time for praising the ‘civility’ of segregationists
- The dispute was one of the biggest fireworks displays in Democratic primary
- But Biden moved past the row to select Harris as his running mate
- Biden reportedly also had concerns about Harris’ romance with her mentor