BEIJING (AP) — Erin Jackson bolted off the line, her powerful legs attacking the ice, her destiny awaiting at the end of a frenetic dash around Beijing’s magnificent speedskating oval. She didn’t view herself as some sort of trailblazer. She didn’t think about the slip that could’ve snatched away her spot on the U.S. Olympic team. She simply wanted to go faster than everyone else. “I came here to win,” the 29-year-old said. Mission accomplished. Jackson became first Black woman to win a speedskating medal at the Olympics — and it was the best color of them all. Gold. “A lot of shock, a lot of …