No, David Kushner and Tony Kushner are not related. David Kushner is known for his work as a journalist and author, while Tony Kushner is a prominent playwright and screenwriter, best known for his Pulitzer Prize-winning play, ‘Angels in America.’
The confusion between the two may arise from the fact that both are notable figures in their respective fields, and they share the same last name, but their family trees do not connect. It’s important to distinguish between individuals with the same surname, especially in the entertainment and media world where many names are quite common.