George W. Bush has vetoed only four bills during his terms in office, which is unheard of for any President of the United States. The first three involved two bills that would have expanded stem cell research and withdrawing troops from Iraq. Unfortunately, the latest bill that he's shot down was SCHIP, the State Children's Health Insurance Program, which would have renewed and expanded mandates that would made it possible for families that aren't poor enough to get Medicaid but can't afford health insurance to get coverage for their children. The bill would have added an additional $35bus of funding …