“It is not what you do for your children; it’s what you have taught them to do for themselves that will make them successful human beings.” ~Ann Landers As I post this, a good friend is on the expressway, driving her only daughter to start her first week of college in another state. I’m reminded of an essay I wrote a few weeks later after I settled into my newly emptied nest. The piece was first published in Metro Parent magazine, and later excerpted and reprinted in Guideposts. To read it online, click here.  Today our son is a married man with a family of his own — yet the topic of launching our kids to…