hail mary, full of grace. >> cooper: leona wolf has returned to her traditions as well. kowekwan, she began to sing "hail mary," a prayer she was forced to learn here long ago. >> wolf: ♪ hey-a, hey-a, hey-o hey, hey-o, hey-a, hey-a ♪ hey, hey-a, hey, hey-a, hey-a hey-o ♪ >> cooper: now, she sings it her own way. >> wolf: ♪ hey, hey-a, hey-a hey-a, hey-o ♪ >> cooper: that's not how you sang it here when you were in school, though, was it? >> wolf: nope. >> cooper: you made peace with the virgin mary by singing that song? >> wolf: yeah, and i made peace with myself. >> cooper: last april at the vatican, pope francis apologized to canada's indigenous peoples for the "deplorable" abuses they suffered in catholic-run residential schools. he'll travel to canada next month to make the apology in person. ( ticking ) cbs sports hq is presented by progressive insurance. today at the memorial tournament 0 presented by workday floridian shot a final round 72 for his seventh career title. meantime, in the nhl playoffs, eastern conference finals the lightning defeated the rangers in g