The 14-month-old boy mistakenly left in the backseat of a hot car by his grandfather died Saturday afternoon at the Children's Hospital of Philadelphia after five days on life support. The mother of the child has forgiven her father for the mistake. Pretty soon Mayor Nutter will have to negotiate new contracts with Philadelphia's four municipal unions; the Daily News suspects the ordeal will be the end of Nutter's honeymoon. A four-alarm fire struck......