So far, this column has focused on stories with headlines and subject matters--gangs in Santa Ana, white people voting more often than Latinos, Latina columnists being employed by the Register and daring to write sympathetic stories about immigrants--that are virtually guaranteed to attract racist comments. But as this week's installment makes clear, you never know what kind of a story will set off at least one nutjob with a keyboard. Even a column as seemingly non-racial and innocuous as Frank