Barack Obama made fun of Donald Trump's 'weird obsession with crowd sizes' during his speech at the DNC. #dnc #kamalaharris #election #politics #kamala #kamala2024 #vicepresident #harris2024 #democrats #democrat #trump #vote2024 #harris2024 #timwalz #walz #harriswalz #trump2024 #kamalaharris2024 #obama #barack #barackobama