Lindsey Graham's relationship with Donald Trump was a roller coaster. After the Jan. 6 riot at the Capitol, the Republican senator from South Carolina said he was done with Trump. But that didn't last long. Graham's journey with Trump was marked by dramatic shifts, from fierce critic to close ally.

Leaders of NATO allies, Ukraine and Israel have paid tribute to U.S. Sen. Lindsey Graham as a friend and advocate of trans-Atlantic relations. Graham was a constant presence in global foreign policy before and during the Trump era.

U.S. Sen. Lindsey Graham has died. His office posted a statement on social media saying Graham died Saturday evening after a “brief and sudden illness.” He was 71.