Marco Rubio is a Republican United States Senator from Florida and was a candidate for the Republican nomination for president of the United States in the 2016 election. Rubio supports balancing the federal budget but maintaining a priority on defense spending. He believes that humans are contributing to climate change but questions the extent to which the United States is responsible for it, claiming that other nations, such as the People's Republic of China, are primarily responsible. He wants to repeal the Affordable Care Act and replace it with tax credits and less regulation. He opposes net neutrality. On immigration, he supports "securing the country's borders," offering a path to citizenship to some undocumented immigrants, and increased vetting of refugees. Rubio supports tradition