Joe Biden and Sen. Elizabeth Warren on the debate stage in Westerville, Ohio. Photo: Win McNamee/Getty Images

While 12 Democratic candidates were debating in Ohio on Tuesday night, the Trump campaign had plenty to say about the field, but singled out only 2 frontrunners — former Vice President Joe Biden and Sen. Elizabeth Warren (D-Mass.).

The big picture: In emails to supporters, President Trump's 2020 team attacked Biden's family and their business ties and Warren's answers on whether her Medicare for All plan will raise taxes on the middle class.

What they're saying:

  • Warren: "I will not sign a bill into law that does not lower costs for middle-class families."
  • Biden backed his son, Hunter, saying that he and his son did nothing wrong in Ukraine during his vice presidency: "I carried out the policy of the United States in rooting out corruption in Ukraine. That's what we should be focusing on. What I wanted to make a point about, and my son's statement speaks for itself."

The bottom line: President Trump's allies are still afraid of a general election matchup against Biden more than a run against Warren, Axios' Alayna Treene and Alexi McCammond report.

Go deeper: Biden's 2020 family problem

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Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Politics: Pence chief of staff Marc Short tests positive for coronavirus — COVID-19 looms over White House Halloween celebrations.
  2. Health: Fauci says maybe we should mandate masks if people don't wear them — America was sick well before it ever got COVID-19.
  3. World: Polish President Andrzej Duda tests positive for COVID-19.
What Matters 2020

The missed opportunities for 2020 and beyond

Photo illustration: Sarah Grillo/Axios. Photos: Jason Armond (Los Angeles Times), Noam Galai, Jabin Botsford (The Washington Post), Alex Wong/Getty Images

As the 2020 presidential campaign draws to a close, President Trump and Joe Biden have focused little on some of the most sweeping trends that will outlive the fights of the moment.

Why it matters: Both have engaged on some issues, like climate change and China, on their own terms, and Biden has addressed themes like economic inequality that work to his advantage. But others have gone largely unmentioned — a missed opportunity to address big shifts that are changing the country.

Pence chief of staff Marc Short tests positive for coronavirus

Marc Short with Katie Miller, Vice President Pence's communications director, in March. Photo: Doug Mills/The New York Times via Reuters

Marc Short, Vice President Mike Pence’s chief of staff, tested positive for the coronavirus Saturday and is quarantining, according to a White House statement.

Why it matters: Short is Pence's closest aide, and was one of the most powerful forces on the White House coronavirus task force.