John McCain is an American hero & one of the bravest fighters I’ve ever known. Cancer doesn’t know what it’s up against. Give it hell, John.

— Barack Obama (@BarackObama) July 20, 2017

This is what real class looks like. Thanks for keeping it real. https://t.co/xPTbRcL8zJ

— Charles Johnson (@Green_Footballs) July 20, 2017