Joaquin Phoenix Just Won Oscar For Best Lead Actor

Watch VideoJoaquin Phoenix just won the Oscar for best lead actor. It's his first-ever win in the category.

"Everyone laughed at me. Well, no one's laughing now." 

"You could say that again, pal."

For his role as Arthur Fleck in Warner Bros.' gritty supervillain origin story "Joker," Phoenix was a favorite in the...