On this "Face the Nation with Margaret Brennan" broadcast: Republican Sen. Tim Scott of South CarolinaIsraeli Ambassador to the U.S. Michael LeiterAmb. Rahm Emanuel, former ambassador to Japan, White House chief of staff and mayor of ChicagoRepublican Rep. Mike Turner of Ohio, former chair of the House Intelligence CommitteeRetired Gen. Frank McKenzie, president of The Citadel and former commander of U.S. Central CommandClick here to browse full transcripts from 2026 of "Face the Nation with Margaret Brennan."MARGARET BRENNAN: I'm Margaret Brennan in Washington.And today on Face the Nation, breaking overnight, a giant of the Senate, Republican Lindsey Graham, has died. And, in the Mideast, the U.S. and Iran trade new attacks.Rattling Washington this morning, the unexpected news that Senator Graham has died from what his office calls a brief and sudden illness at the age of 71. We will have the latest and talk with fellow South Carolina Senator Tim Scott about Graham's impact in Washington and beyond.Plus: new developments overseas. U.S. Central Command has launched a new wave of strikes against Iran after its military attacks container ship in the Strait of Hormuz, in defiance of U.S. demands to keep the waterway open. What's next for the security of the region after President Trump declared that fragile cease-fire deal to be over?We will be joined by former CENTCOM Commander Frank McKenzie, Ohio Republican Congressman Mike Turner, and Israel's Ambassador Dr. Michael Leiter.