Landrieu says Biden has no concerns 'about his mental fitness'

Mitch Landrieu, co-chair of President Biden's campaign, said the president does not have any concerns about "his mental fitness" despite some worries from voters.

Landrieu responded to concerns some have about Biden's mental fitness to serve a possible second term in the White House on NBC's "Meet the Press." NBC's Peter Alexander pressed him on why Biden would not step aside to allow a different Democrat to step up to the plate instead, who may face fewer worries about their mental fitness.