Video: Is Trumpism the New Conservatism?

Is Trump an old-school Republican or starting a major realignment in American politics?

To answer this question, The Atlantic video series "Unpresidented" takes a look at the changes in the GOP - from supporting social security, infrastructure spending and civil rights in the first half of the 20th century to emphasizing conservative ideas of limited government, free markets and American exceptionalism.

A ideological shift occurred in 1964, with the GOP's presidential nominee of Arizona Sen. Barry Goldwater, drawing comparisons to Trumpism today.

Watch the video from The Atlantic.