WASHINGTON -- Two years after running against President Barack Obama, Senator John McCain says he sees a change. Appearing on CBS' "Face the Nation," McCain expressed optimism that Obama will lead Democrats and Republicans to find common ground on key issues.(snip) Asked if the push to repeal health care reform is a waste of time -- because Senate Democrats will block repeal and, should it pass, the president would veto it -- McCain said, "We need to have a vote on it because we promised the people we would. We campaigned that we would `repeal and replace'. We have to...