The United States is a nation built by immigrants, but immigration is also an issue which has created deep divisions. As the United States Congress prepares to debate a plan that would offer a pathway to citizenship to millions of illegal immigrants, America's conservatives face a question: are they ready to embrace their country's new demographic reality? HARDtalk is in Washington DC to speak to Carlos Gutierrez, a former Republican secretary of commerce. America is changing fast, can the Republican Party keep up?