Pop quiz: How long ago was segregation abolished? If you said around 60 years ago, you’d be right. Yes, that means those in their 80s today were adults when our government formally dismantled major legal barriers to equal treatment. And those were just the rules on paper – never mind how that played out in everyday life. It may feel as though blatant inequality is far behind us, but in truth, many ugly parts of modern history now cruise in the blind spot of our rearview mirrors. Women didn’t legally have the right to open bank accounts and obtain credit...