politics. in an attempt to spark enthusiasm, he released a powerful campaign ad that contrasted his foreign policy chops with reaction from world leaders, to trump that painted the president as a literal laughingstock. biden picked up the endorsement of former secretary of state john kerry who joined him on the campaign trail, but it wasn't all good. a run-in with a hostile voter showed a different side of biden, not one that everyone liked, but he's still on top. here to discuss is mitch landrieu. mr. mayor biden has been taking heavy incoming from the moment he entered the race. he's had gaffs, far from perfect moments, yet has remained a front-runner through all of it. to what do you attribute his staying power? >> i think that people know him, and people like him.