John Kasich of Ohio stripping collective-bargaining rights from teachers and other public employees. He has stated that superintendents and principals should be able to fire teachers without regard for seniority. During a presidential primary debate in 2011, he said that efforts to reduce classroom size were a ploy by teachers unions to promote the hiring of more teachers; and he vowed, "as president, I will stand up to the National Teachers Unions." Romney has acknowledged that he has held different views over time on the federal government's role in education. During a debate in the 2008 presidential campaign, he said: However, during a presidential primary debate in 2011 he said, "education has to be held at the local and state level, not at the federal level. We need to get the federal government out of education." During his Senate campaign in Massachusetts in 1994, Romney said that he would support federal funding to schools to teach the importance of family values, ethics, and personal economics, but that he was opposed to public schools' endorsing any specific religious beliefs or teaching prayer. More recently, during his presidential campaigns in 2007 and 2012, he said that while he was not seeking for teachers to lead their classes in prayer in public schools every day, he did believe it to be appropriate for there to be public recognition of the Creator in public schools at graduation ceremonies, football games, and other school events, and he also said that he supported the display of religious symbols such as Nativity scenes in the public square during holidays. As governor of Massachusetts in the mid-2000s, Romney opposed the teaching of creationism in public school science classes. He noted during an interview in 2007 that "If we're going to talk about more philosophical matters, like why it was created, and was there an intelligent designer behind it, that's for the religion class or philosophy class or social studies class." Romney has supported abstinence-only sex education in public schools. In his run for the Senate in 1994, he said one of the programs that should be taught in schools was "the importance of getting married before having children." In the May 2007 South Carolina debate, Romney said he has always "fought for abstinence education." College and other post-secondary education Romney generally opposes federal financial aid for college and other post-secondary education. While campaigning for the presidency in 2012,