Paul Giamatti: "I was going to become a teacher by default"
            
        
            
        
        
        
            Paul Giamatti, one of the most consistently interesting actors at work today, seems to be having a ball on Billions. But even that has its serious edge. Donal O'Donoghue meets him.
        
        
        
        
            
                living
                 • 01 Nov 20