Fort Worth Weekly Chadwick Boseman blows his horn in "Ma Rainey's Black Bottom." There’s not that many A-list stars in 2020’s list of the best leading actors. Some of you might see that as a negative, but I’m all about great performances no matter who they come from. The fact that most of the big blockbusters got pushed into 2021 means that some lesser-known names got a chance to shine. This straitened year of cinema coined some new stars, and may they make our movies better when we emerge from this plague. Riz Ahmed A British actor of Arab descent isn’t the most obvious choice to play an American heavy metal drummer. In