‘Amazing Grace,’ a song of suffering to pull us together

Aired: 7/3/2015 | 0:05:46 | Clip
At the funeral for Reverend Clementa Pinckney, a South Carolina state senator who was killed in the church shooting in Charleston, President Obama broke from his eulogy to sing ‘Amazing Grace,’ a song that exemplifies human vulnerability and redemption. Special correspondent John Larson explores the song’s history, and why it resonates so widely.