Tom Grater International Film ReporterThe 2020 Toronto International Film festival has unveiled its line-up of In Conversation With… events for this year.The six talks are: Halle Berry, who will discuss her new feature Bruised; Claire Denis and Barry Jenkins, speaking together about their careers, Ava DuVernay, who will discuss art, activism and Black Lives Matter; Saoirse Ronan, discussing her performances that have seen her score four Oscar nominations at the age of just 26; Barry Levinson