Sen. Lindsey Graham (R-SC) said that though it “pisses him off to no end” when President Donald Trump maligns the late Sen. John McCain (R-AZ), the best way to honor his best friend’s memory is to work with the President, thereby helping the country.

Lindsey Graham on President Trump’s treatment of John McCain: “It pisses me off to no end, and I let the president know it.” https://t.co/2aYwgu0eJr (via @CBSThisMorning) pic.twitter.com/Pt2QWGbX2L — CBS News (@CBSNews) August 30, 2018