We’ll be reporting from Cleveland all week and live-blogging each night. Check out all our dispatches from the GOP convention here.

Donald Trump’s improbable rise to become the standard-bearer of the Republican Party, which will culminate with his acceptance speech Thursday night in Cleveland, has revealed more than a rift in the Republican Party. It has raised questions about what truly motivates Republican voters: “Cultural grievance,” rather than a passion for small government, may be driving the party. We explore the state of the GOP in the video above.

Video produced and directed by Diane Houslin.