Biggest ways Hunger Games movie fails the books

Let's keep this post specifically 1st Hunger Games movie/book comparison

I'll start with one: the interviews. In the book, there's a powerful moment with Katniss says she swore to Prim she would try to win. It's really powerful the way it's written, but feels like a flop in the movie when Katniss said, "I told her I'd try to win."