LONDON -- Nigel Farage, the leader of Britain’s anti-immigration Reform U.K. party, has said he has “never directly racially abused anybody,” after a report alleging he made antisemitic remarks at school. The 61-year-old Brexit campaigner and his populist party have long been accused of flirting with racism, something which both have denied. The party, which is leading in opinion polls, has kicked out some members for unacceptable comments. After the Guardian newspaper reported that some of Farage’s contemporaries at school had accused him of making racist and antisemitic remarks, Farage told BBC News: “I’ve never directly racially abused anybody. No.”...