As it turns out, the hard part for U.S. Olympian Gwen Berry hasn’t started yet. The raised fist at the Pan-Am Games last summer, along with the public shaming she received from Olympic authorities afterward, and the wondering what might happen if she were to use her platform at the now-postponed Tokyo Games to protest racial injustice — all that seems easy now. “I feel like, right now, my body and my mind, it's like I’m going to war,” Berry told The Associated Press in an interview Wednesday. “I’m trying so hard to protect something that is near and dear to me.” Berry is the African-American hammer thrower -- the mother of a 16-year-old son -- who captured headlines last year when she used her turn on the gold-medal podium at the Pan-Am