Johansson and Caine preach peace at Nobel concert

Scarlett Johansson and Michael Caine used their appearances at the Nobel Peace Concert in Norway on Thursday to appeal to world leaders to find peace with each other.

The pair hosted the concert - with performances from Diana Ross, Feist and country rocker Dierks Bentley - marking former Finnish president Martti Ahtisaari's Nobel Peace Prize award ceremony, presented to him the day before.