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Tennessee Gov. Bill Haslam speaks during a news conference on the final day of the legislative session Wednesday, May 10, 2017, in Nashville, Tenn. (AP Photo/Mark Humphrey)

Republicans in South Carolina, Tennessee and Kansas have backed tax increases to control budget deficits or pay for infrastructure, healthcare and other state programs, the New York Times reports.

Why it matters: Those states are the first to reject the traditional Republican line opposing all tax increases, "challenging what has become an almost dogmatic belief for their party," the Times says. Though that position remains among Republican in Washington, Axios reported yesterday that Trump advisor Steve Bannon is pushing for a tax increase on the wealthy.

Go deeper

20 mins ago - Health

Moderna to file for FDA emergency use authorization for COVID-19 vaccine

Photo illustration by STR/NurPhoto via Getty Images

Moderna announced that it plans to file with the FDA Monday for an emergency use authorization for its coronavirus vaccine, which the company said has an efficacy rate of 94.1%.

Why it matters: Moderna will become the second company to file for a vaccine EUA after Pfizer did the same earlier this month, potentially paving the way for the U.S. to have two COVID-19 vaccines in distribution by the end of the year. The company said its vaccine has a 100% efficacy rate against severe COVID cases.

The social media addiction bubble

Illustration: Annelise Capossela/Axios

Right now, everyone from Senate leaders to the makers of Netflix's popular "Social Dilemma" is promoting the idea that Facebook is addictive.

Yes, but: Human beings have raised fears about the addictive nature of every new media technology since the 18th century brought us the novel, yet the species has always seemed to recover its balance once the initial infatuation wears off.

Young people's next big COVID test

Illustration: Eniola Odetunde/Axios

Young, healthy people will be at the back of the line for coronavirus vaccines, and they'll have to maintain their sense of urgency as they wait their turn — otherwise, vaccinations won't be as effective in bringing the pandemic to a close.

The big picture: "It’s great young people are anticipating the vaccine," said Jewel Mullen, associate dean for health equity at the University of Texas. But the prospect of that enthusiasm waning is "a cause for concern," she said.