A caffeinated gang of annoying white hipsters in Seattle did their level best to ruin Christmas this year by surrounding the city’s annual Christmas tree-lighting ceremony, chanting and making a bunch of little kids cry. The young, well-heeled, largely white crowd of demonstrators was protesting in response to Monday’s announcement that a grand jury in Missouri had refused to indict white police officer Darren Wilson for killing Michael Brown, an 18-year-old black male, on Aug. 9. Friday’s incident in Seattle occurred at Westlake Mall, according to local NBC affiliate KING-TV. Westlake Mall is some 2,119 miles away from Ferguson, Mo.,...