Jackie Beckley believes the video of the final moments of George Floyd's life may finally help white friends and colleagues understand what she has labored to tell them about her experience as a black woman: the uneasy feeling that rose when her son was late checking in, her hesitation to take a job transfer down South, even her anger at disparate treatment by store clerks. The graphic video of a black man slowly dying on a Minneapolis street had saddened and angered her, but the multicultural jolt of outrage that energized protesters across the United States gave her hope. She wondered whether people who did not share her experiences would finally begin to understand them. I think because white America was able to see it, it's no longer them living in an oblivious world, said Beckley, a 58-year-old call center employee from the Columbus, Ohio, area, who said many of her white friends and colleagues saw the clip. In order for our society to get better, they have to look and see the things that are wrong in their world - not just ours. Many black Americans have similar frustrations and a similar optimism, according to a Washington Post-Ipsos poll of black Americans that was conducted as large demonstrations still rocked American cities. While a majority of Americans across all racial groups report feeling sad, angry and troubled by Floyd's killing, black people perceive the country's police forces as far more racially biased than white people do,the poll finds. More than half of black adults say they or someone they know had an unfair interaction with police in the past few years. More than a third say there was an occasion when they feared being hurt by a police officer- much higher than the shares of white and Hispanic Americans reporting the same experiences. But black people also largely believe Floyd's...