If your son or daughter currently is home from college on winter break, now is a good time to sit down and discuss a few estate planning documents he or she should have at this stage of life. Let’s take a closer look at four such documents: 1. Health care power of attorney. With a health care power of attorney (sometimes referred to as a “health care proxy” or “durable medical power of attorney”), your child appoints someone — probably you or his or her other parent — to make health care decisions on his or her behalf should he or she be unable to do so. A health care power of attorney should provide guidance on how to make health care decisions. Although it’s impossible...