Rev. Jesse Jackson, the polarizing civil rights activist, is calling for Little League International to return the U.S. championship to the 12-year-olds from Jackie Robinson West, mere hours after Little League stripped the team of its title. And if that doesn't happen, Jackson said Wednesday afternoon, he may take legal action. Jackie Robinson West — consumed in a vortex of allegations involving ineligible players and illegally redrawing its league boundaries — became a feel-good story in Chicago and across the country on its run to the Little League World Series. An all-black team that was supported by MLB players, Jackie...