factchecking kamla Harris and Donald Trump's first presidential debate ABC News is hosing the debate at Philadelphia's National Constitution Center vice president kamla Harris and former president Donald Trump met for the first time Tuesday in their first presidential debate of the 2024 election hosted by ABC News the high stakes 90minut debate was held at Philadelphia's National Constitution Center with Trump and Harris arguing their case for the White House as the Democratic and Republican nominees debated the most pressing topics facing the nation ABC News live fact checked their statements for answers that were exaggerated needed more context or were false