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Following months of controversies, Uber's search for a COO has now grown to a hunt for a new CEO following Travis Kalanick's resignation on Tuesday. Here are some of the names that have been floated as possible candidates, and the list will surely shift as the search continues:

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Go deeper

Updated 43 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Annelise Capossela/Axios

  1. Health: Biden: It's "not the time to relax" COVID mitigation efforts — Tracking coronavirus variants through sewage.
  2. Vaccine: FDA advisory panel endorses J&J COVID vaccine for emergency use — About 20% of U.S. adults have received first vaccine dose, White House says — New data reignites the debate over coronavirus vaccine strategy.
  3. Economy: What's really going on with the labor market.
  4. Local: All adult Minnesotans will likely be eligible for COVID-19 vaccine by summer — Another wealthy Florida community receives special access to COVID-19 vaccine.
  5. Sports: Poll weighs impact of athlete vaccination.
  6. World: Brazil's capital enters 24-hour lockdown as coronavirus cases surge.

Buffett eyes slow U.S. progress, but says "never bet against America"

Warren Buffett in New York City in 2017. Photo: Daniel Zuchnik/WireImage

Warren Buffett called progress in America "slow, uneven and often discouraging," but retained his long-term optimism in the country, in his closely watched annual shareholder letter released Saturday morning.

Why it matters: It breaks months of uncharacteristic silence from the 90-year-old billionaire Berkshire Hathaway CEO — as the fragile economy coped with the pandemic and the U.S. saw a contentious presidential election.

Restaurant software meets the pandemic moment

Illustration: Annelise Capossela/Axios

Food delivery companies have predictably done well during the pandemic. But restaurant software providers are also having a moment as eateries race to handle the avalanche of online orders resulting from severe in-person dining restrictions.

Driving the news: Olo filed last week for an IPO and Toast is rumored to be preparing to do the same very soon.