What is the toughest job? You should ask this to a parent of a teenager, it is easier to rule a country than to raise a teenager. The travails of Sarah Palin on the campaign trail were probably nothing compared to her travails at home as the mother of a teenager!From experience as a has-been teenager, and now a mother of one, I can certify that this is the most difficult part of growing up, both for the child as well as for the parent. There is...