Blackface scandals highlight U.S.'s troubled racial past - and present

(Advisory: Note language in paragraph 11)By Andrew Hay(Reuters) - The painful history of blackface in America was highlighted this week as two top Virginia Democrats came under fire after admitting to having blackened their faces to resemble African-Americans while in college in the 1980s.While the practice is less common than it was decades ago, African-American scholars say it persists in some corners as evidence of racism.Apologies by Virginia Governor Ralph Northam and Attorney General Mark