A caller to Rush Limbaugh today (Friday) compared gay marriage to inter-racial marriage. While it is easy to take offense to the comparison (as Rush did), there is some truthfulness in it. For people of 50 years ago, who who not bigots, what was their major objection to inter-racial and even inter-cultural marriage? What was the first concern they expressed to their children when faced with this possiblity? "What about the children?" And years ago, and in someways, even today, this is a very real concern. Children in inter-racial and inter-cultural homes had a much more difficult social situation to...