Donald Trump's campaign is most concerned going into the debate against kamla Harris with the former president's mood afraid that the Mercurial Trump could engage in the kind of self-sabotage that turned off voters in the 2020 presidential election according to people familiar with the situation the campaign's internal refrain is whether they get happy Trump or angry Trump the people said as they count down the days to perhaps the final presidential debate this cycle Tuesday night's televised debate is widely seen as a Crux moment in the rebooted 2020 before campaign since Joe Biden dropped out of the race after a campaign killing debate performance crystallized fears over his age and mental acuity Harris has turned the race on its head but