Will the death of the ‘Trump whisperer’ change US politics?

When senator Lindsey Graham unexpectedly died this week, he left behind a new uncertainty in US politics. Known as a critical deal-maker in Congress, Republicans have lost a key bridge between the Democrats – and Donald Trump. Graham was also one of the few remaining Reagan-style Republicans and his death leaves questions around the future of US foreign policy, particularly on Ukraine and Israel. Reged Ahmad speaks to the Guardian’s Washington bureau chief, David Smith, back from being on the ground in South Carolina, about whether Graham’s death marks a new moment in the future of the Republican party