By Sean Gregory December 25, 2024 8:00 AM EST T he first time boxer Claressa Shields watched The Fire Inside, a cinematic rendering of her life story which releases in theaters on Dec. 25, she tried to remove herself from the equation. She pretended the story was about some other athlete from Flint, Mich. growing up in poverty and chasing an Olympic dream. Shields planned to watch the film with a neutral eye, and give it a grade, as she typically likes to do when viewing sports flicks. This