Harvard. Photo: Scott Eisen/Getty Images

More than 90% of Harvard University's unionized graduate student workers voted Friday to authorize a strike at a date to be set after member town halls are held, the Harvard Crimson reports.

The big picture: Union negotiators said they'd reached an impasse with Harvard after a year of talks on issues including "pay, benefits, and protections from discrimination and harassment," according to the Boston Globe. Harvard said a strike was "unwarranted," per the Globe.

Go deeper: Judge upholds Harvard's race conscious admissions process

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Case growth outpacing testing in coronavirus hotspots

Data: The COVID Tracking Project. Note: Vermont and Hawaii were not included because they have fewer than 20 cases per day. Chart: Andrew Witherspoon/Axios

The United States' alarming rise in coronavirus cases isn't due to increased testing — particularly not where cases have grown fastest over the last month.

Why it matters: The U.S. doesn't yet know what it looks like when a pandemic rages on relatively unchecked after the health system has become overwhelmed. It may be about to find out.

The impending retail apocalypse

Illustration: Eniola Odetunde/Axios

Because of the coronavirus and people's buying habits moving online, retail stores are closing everywhere — often for good.

Why it matters: Malls are going belly up. Familiar names like J.C. Penney, Neiman Marcus and J. Crew have filed for bankruptcy. Increasingly, Americans' shopping choices will boil down to a handful of internet Everything Stores and survival-of-the-fittest national chains.

Biden campaign using Instagram to mobilize celebrity supporters

Collins appears on the Build live interview series in November 2019. Photo: Gary Gershoff/Getty Images

The Biden campaign is launching a new initiative today that will draft Hollywood celebrities for Instagram Live chats with campaign officials and other Biden supporters.

Why it matters: The campaign, called #TeamJoeTalks, is an attempt to open up a new front on social media, drawing on celebrities’ Instagram followers to help find and motivate voters while large parts of the country remain locked down.