Dwayne 'The Rock' Johnson's favourite role: Dad

Wrestler-turned-actor Dwayne Johnson was told that he'd have to change to become a leading man; turns out Hollywood changed for him, as "The Rock" grew to become one of the biggest movie stars on the planet.

Now he's starring as the DC Comics anti-hero "Black Adam." Johnson talks with correspondent Tracy Smith about his humble origins, family, and what he thinks about a run for the White House.