Leonard Pitts: Nobody roots for Goliath. Or Karen.

Dear Karen:I wanted you to know that I got your email. Yours, your husband's, your brother's and your best friend's. All were vexed at my recent evocation of the meme that uses your name as shorthand for a certain type of white woman: rude, entitled and presuming to police African-American lives."I am OFFENDED," wrote Jim, whose Karen is the wife of his priest. "It is reprehensible," wrote Robert, whose Karen is his daughter.And an actual Karen asked, "How would you read it if 'Leonard' was used