Fallout from the troubled Iowa caucuses continued as the chair of the Democratic National Committee called for a recanvass. Iowa’s party chief responded that he would do so only if a candidate requested it. With 97% of precincts reporting, former Mayor Pete Buttigieg and Senator Bernie Sanders were essentially tied. Originally attributed in part to a faulty app, Democrats said Thursday that Iowa’s troubles were compounded when fans of President Donald Trump allegedly sought to interfere with the count by flooding a hotline used to report results. —Josh Petri

Here are today’s top stories

While the sniping continues in Iowa, it’s on to New Hampshire next week for the next Democratic primary. Bloomberg is tracking the delegates here.

Boeing has discovered yet another software problem with its grounded 737 Max. The company claims the issue won’t further delay the flawed jet’s return to service after two crashes killed 346 people. A certification flight could occur in the next few weeks.

The White House is seeking to block New Yorkers from joining global traveler programs, after Trump lashed out at immigrant sanctuary cities (like the Big Apple) in his State of the Union address. The travel industry is furious and Democratic Governor Andrew Cuomo is considering legal recourse.

Trump celebrated his impeachment trial acquittal by apologizing to his family for having to endure it and insulting various Democrats.

In the evolutionary arms race between humanity and microbes, Bloomberg Businessweek reports, the bugs are winning. We’re nowhere near being prepared for a true pandemic. Case in point: Face masks aren’t going to help but hand-washing will.

SpaceX plans a spin off and public offering of its budding space-internet business, Starlink.

What’s Joe Weisenthal thinking about? The Bloomberg news director spoke with Naufal Sanaullah, chief macro strategist at EIA Alpha Partners, who said there’s a theory that a President Bernie Sanders would be good for pre-tax corporate profits. The argument? Larger government deficits would translate into higher private sector savings.

What you’ll need to know tomorrow

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An exceptional team is more than the sum of its parts. But how much do you really know about building one? Here are 7 takeaways from the science of teamwork that can help leaders assemble and manage stellar teams.

What you’ll want to read tonight in Businessweek

How I Sabotaged My Boss With Ransomware

It’s pretty easy to make money on the internet if you’re willing to break the law. With a modicum of programming skills, you can steal credit card numbers, hijack bank accounts or scam lonely souls on dating sites. If you lack programming skills, there’s always ransomware, which allows an attacker to encrypt data on a computer or server and extract payment in exchange for the decryption key. It’s a booming business, but is it simple enough for a writer with a liberal-arts degree and an iPhone to pull off on his boss? See for yourself.

Photographer: Hughes, Kenneth

Photographer: Hughes, Kenneth

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