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 mentorĀ