Having campaigned on a promise to focus on problems at home, Donald Trump is realising how important the US's global supremacy is.
A former US diplomat explains why some programs may make sense to cut, while others are crucial to America's moral standing.
South Carolina is a red state. The GOP candidates know that a win here can lead to the party nomination.
Does the Confederate flag tell African American citizens that they are inferior? And if so, does that violate the equal protection clause of the Fourteenth Amendment?