回复：美国黑人和白人的历史关系和亚洲人，西裔和白人历史关系

*在70，80年代在那么一般甚至贫穷的家庭下奋斗到一个名牌大学的高等学位还是非常佩服的。
just googled, not sure if it is true but seems she is from a middle class family.

http://www.dailymail.co.uk/femail/article-517824/Mrs-O-The-truth-Michelle-Obamas-working-class-credentials.html

Michelle's father was a volunteer organiser for the city's Democratic Party, a by-word for machine politics in America, and his loyalty was rewarded with a well-paid engineering job at Chicago's water plant. Even before overtime, he earned $42,686 - 25 per cent more than High School teachers at the time.