Sarah Montague speaks to US Senator Lindsey Graham, a former presidential candidate and a major critic of Donald Trump. What would happen if Trump is elected US president? Show more

Stephen Sackur speaks to Lindsey Graham, the veteran US senator for South Carolina and one of the Republican Party’s most outspoken voices on foreign policy. Show more

Stephen Sackur talks to Republican senator Lindsey Graham. What are his concerns about Donald Trump's approach to foreign and domestic policy? Show more

Stephen Sackur speaks to long-time Republican US senator Lindsey Graham. With legal troubles piling up, Republicans must decide - can they afford to remain the party of Trump? Show more

Stephen Sackur speaks to long-time Republican US senator Lindsey Graham. With legal troubles piling up, Republicans must decide - can they afford to remain the party of Trump? Show more

Stephen Sackur speaks to Lindsey Graham, the veteran US senator for South Carolina and one of the Republican Party's most outspoken voices on foreign policy. Show more

In a special edition of the programme filmed at the Ambrosetti Forum at Lake Como, Stephen Sackur speaks to the Republican Senator Lindsey Graham. Show more

HARDtalk's Sarah Montague speaks to US Senator, Lindsey Graham, at the annual Ambrosetti Forum. Show more