Saturday Sessions: Aoife O’Donovan performs “B-61”

Aoife O’Donovan has visited “CBS Saturday Morning” in the past, performing with Punch Brothers and I’m With Her, and as a solo artist. She’s already a Grammy-winner, and next month she’s nominated for three more awards. Now, from her Grammy-nominated album “Age of Apathy,” O’Donovan performs “B-61.”